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278 Cards in this Set
- Front
- Back
The various functions of the liver are caried out by?
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hepatocytes
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The liver produces & excretes?
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bile
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The liver produces and excretes bile (a greenish liquid) required for?
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emulsifying fats
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Some of the bile drains directly into the?
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duodenum, and some is stored in the gallbladder
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The liver also performs several roles in _____ & _______metabolism.
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lipids & carbohydrates
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The liver also performs several roles in lipid metabolism. Name them.
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1- Cholesterol synthesis
2- The production of triglycerides (fats) |
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The liver performs several roles in carbohydrate metabolism. Name 3.
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1- Gluconeogenesis (the synthesis of glucose from certain amino acids, lactate or glycerol)
2- Glycogenolysis (the breakdown of glycogen into glucose) (muscle tissues can also do this) 3- Glycogenesis (the formation of glycogen from glucose) |
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The synthesis of glucose from certain amino acids, lactate or glycerol?
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Gluconeogenesis
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The breakdown of glycogen into glucose) (muscle tissues can also do this?
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Glycogenolysis:
The breakdown of glycogen into glucose. (muscle tissues can also do this) |
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The formation of glycogen from glucose?
a) Gluconeogenesis b) Glycogenesis c) Glycogenolysis |
Glycogenesis
The formation of glycogen from glucose |
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The liver performs several roles in carbohydrate metabolism which include
Gluconeogenesis, Gycogenolysis, & Glycogenesis in addition to the breakdown of ______ & other _____. |
insulin & other hormones
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The liver is responsible for the mainstay of _____ metabolism.
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protein
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The liver produces what coagulation factors?
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I (fibrinogen), II (prothrombin), V, VII, IX, X and XI, as well as protein C, protein S and antithrombin.
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Creates metabolites that are added to bile as pigment (bilirubin and biliverdin).
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haemoglobin
broken down by the liver |
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This sometimes results in toxication, when the metabolite is more toxic than its precursor
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drug metabolism
The liver breaks down toxic substances and most medicinal products in a process called drug metabolism. This sometimes results in toxication, when the metabolite is more toxic than its precursor |
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The liver converts ammonia to ____?
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urea
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The liver stores glucose in the form of glycogen, ____, ____, and copper.
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vitamin B12
iron |
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In the first trimester fetus, the main site of red blood cell production is?
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liver
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The liver is responsible for ______ effects.
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immunological
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The liver is responsible for immunological effects. The reticuloendothelial system of the liver contains many immunologically active cells, acting as a 'sieve' for ____ carried to it via the portal system.
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antigens
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Patients with liver dysfunction may exhibit . . .
Name 6. |
1- Altered lipid & protein digestion
2- Altered Detoxification of blood 3- Altered Drug Metabolism 4- Altered Digestion as a whole (remember the bile) = altered vitamin synthesis 5- Lack of energy (remember glycogen) 6- Irritation of other organs (think gallbladder/pancreas/brain) |
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Disorders of the liver.
NAME 6. |
1- Viral Hepatitis (A,B,C,D,E,G)
2- Hepatitis 2nd to toxins (drugs, chemicals, alcohol 3- Autoimmune Hepatitis 4- Bacterial Hepatitis (steptococci, Ecoli, salmonella) 5- Jaundice Conditions 6- Cirrhosis Conditions |
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Complications from disorders of the liver.
Name 6. |
1- Esophageal Varices
2- Portal Hypertension 3- Edema 4- Ascites 5- Encephalopathy 6- Hepatorenal syndrome |
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The primary manifestation from disorders of the liver is/are? jaundice
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jaundice
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Jaundice results from an alteration in normal _____ _____ or flow of bile into heptic or biliary duct systems.
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bilirubin metabolism
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Juandice is a symptom rather than disease.
true/false? |
true
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Bilirubin is formed by?
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the breakdown of hemoglobin
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Due to increased RBC breakdown 2nd to blood transfusion reaction, sickle cell crisis, hemolytic anemia?
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Hemolytic jaundice
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Altered ability of the liver to take up bilirubin or conjugate or excrete it. Causes include hepatitis, cirrhosis and carcinoma.
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Hepaticellular hepatitis
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Impeded or obstructed flow of bile, caused by stone obstructions, pancreas carcinomas, stool and urine changes noted with complete obstruction.
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Obstructive jaundice
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Hemolytic jaundice is due to _____ RBC breakdown 2nd to blood transfusion reaction, sickle cell crisis, hemolytic anemia.
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increased
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Hepaticellular hepatitis is the altered ability of the liver to take up bilirubin or conjugate or excrete it. Causes include _____, cirrhosis and carcinoma.
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hepatitis
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Obstructive jaundice is from impeded or obstructed flow of ____, caused by stone obstructions, pancreas carcinomas, stool and urine changes noted with complete obstruction.
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bile
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The only way to distinguish between what type of viral hepatitis is through ____ specific labs (table 42-4)
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antigen
|
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Infection by each type of hepatitis virus provides immunity to that virus only.
True/False |
True
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Vaccinations are available for Hep B but not Hep A.
True/False |
False
Vaccinations are available for both Hep A & B |
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Available for Hep A exposure.
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Immunoglobulin
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Hepatic tenderness, hepatomegaly and splenomegaly may be revealed by?
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Physical exam
|
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Fecal-Oral hepatitis:
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E f) Hep G |
a) Hep A
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Infection only with Hep B/Same routes:
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E f) Hep G |
d) Hep D
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Parental/Per-mucosal/Sexual/Perinatal
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E f) Hep G |
b) Hep B
and . . . Hep C |
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Fecal – Oral/contaminated water
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E f) Hep G |
e) Hep E
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Parental/Sexual
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E f) Hep G |
f) Hep G
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Hep A, B, C, D, E, & G all have similar pathophysiologic effects which are widespread _____ of liver tissue
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inflammation
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Acute damage from hepatitis causes cell _____ & ____
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necrosis & cholestasis
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Systemic damage from hepatitis includes angioedema, arthritis, fever and malaise, ____ & ____ damage
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kidney and vascular
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Damage from hepatitis occurs in _____ phases.
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Three
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Name the 3 phases of damge caused by hepatitis.
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1- Preicteric/prodromal phase
2- Icteric phase 3- Posticteric/convalescent phase |
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Complications from hepatitis are are most recover completely unless comorbidities exist. 10% of HBV will have ____ ____chronic infection & 75% of HCV
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chronic infection
|
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A syndrome with severe impairment or necrosis with potential liver failure
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Fulminant
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Precedes jaundice & lasts from 1-21 days.
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preicteric phase of viral hepatitis
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Period of maximal infectivity for Hep A.
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preiteric phase
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Hep B positive & hep c patients can be infective for?
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years
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GI symptoms in patients w/hepatitis include anorexia, nausea, abdominal discomfort (r-upper quadrant) & sometimes vomiting, constipation, or diarrhea. The anorexia is often severe & may be due to _____ or other chemicals produced by the infectied liver.
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cytokines
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Phase of hepatitis characterized by jaundice.
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icteric phase
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The icteric phase of hepatitis is characterized by jaundice which generally last from ____ weeks.
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2-4
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Phase of hepatitis in which the urine may darken because of excess bilirubin excreted by the kidneys.
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icteric phase
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During the icteric phase of hepatitis, the urine may darken because of excess bilirubin excreted by the kidneys & if conjugated bilirubin cannot flow out of the liver because of an abstruction or inflammation of the bile ducts the stools will be?
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light or clay colored
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Pruritus sometimes accompanies jaundice especialaly if ____ is present.
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cholestasis
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Pruritus with jaundice occurs as a result of?
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accumulation of bile salts beneath the skin
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When jaundice occurs the fever usually rises.
true/false |
false
once jaundice appears the fever usually subsides. Gi symptoms generally remain & fatigue continues. Liver is usually enlarged & tender. |
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The posticteric phase of of hepatitis begins when?
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jaundice is disappearing
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How long will the posticteric phase last?
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weeks to months with an average of 2-4 months
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The patients jaundice has begun to disappear & the major complaint is malaise & easy fatigability. What phase is this?
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posticteric phase
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Phase when splenomegally subsides but hepatomegaly remains for several weeks.
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posticteric phase
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The disappearance of jaundice indicates that the patient is totally recovered.
true/false |
false
does not mean patient has yet fully recovered & relapses may occur |
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All patients with viral hepatitis experience jaundice.
true/false |
false
|
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Anicteric hepatitis means?
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hepatitis infection without occurance of jaundice & common in Hep A
|
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You are caring for a patient who is in the preicteric phase of acute viral hepatitis. Your patient asks “am I going to turn yellow”? Which response is most appropriate?
“As your liver copes with the viral infection it can’t get rid of bilirubin which may cause your skin, urine or stool to turn yellow” “Jaundice is scary, everything gets yellow” “No, very few people turn yellow” |
I am in question about this hypothetical presented.
The first response listed by instructor is a true response & "may" indeed cause skin to turn yellow. However, the book states that "a high % of persons" w/HAV are anicteric & w/out symptoms in addition to stating 30% of all patients w/acute HBV & 80% with acute HCV are asymptomatic. |
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Hepatitis from an unknown cause which often includes systemic problems, s/s mimic viral hepatitis, elevated LFT without + viral lab & of which 70-80% of cases are female.
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Autoimmune (Idiopathic) Hepatitis
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Autoimmune (Idiopathic) Hepatitis is more common in men or women?
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70-80% of cases are female
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Autoimmune (Idiopathic) Hepatitis is of an unknown cause & often includes systemic problems. S/S mimic viral hepatitis, elevated LFT without + viral lab. This form of hepatitis is TX with?
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corticosteroids and immunosuppressants
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Unlike viral hepatitis, with Autoimmune (Idiopathic) Hepatitis there is evidence of ____ & ____.
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cirrhosis and tissue necrosis
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RX for Autoimmune (Idiopathic) Hepatitis is corticosteroids and immunosuppressant meds. Daily TX is with methylprednisone alone or in combination with ______ which will induce remission in apx 80% of patients.
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azathioprine (Imuran)
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RX for Autoimmune (Idiopathic) Hepatitis is corticosteroids and immunosuppressant meds. Daily TX with methylprednisone alone or in combination with Imuran which will induce remission in apx 80% of patients. If these RX & other immunosuppresive therapies do not work?
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Liver transplant may be indicated for liver failure
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Associated Lab Tests including the liver profile
almost are all abnormally ______due to destruction of hepatocytes and loss of all liver enzymes into the systemic circulation. a) decreased b) elevated |
b) elevated
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Peripheral edema sometimes precedes ascites but in some patients its development coincides with or occurs after ascites. Edema results from ____ colloidal oncotic pressure from impaired liver synthesis of albumin & increased portocaval pressure from portal hypertension.
a) decreased b) increased |
a) decreased
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The accumulation of serous fluid in the peritoneal or abdominal cavity.
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Ascites
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A diagnostic procedure that can pick up on levels of protein/infection.
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paracentesis
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A therapeutic procedure that relieves pressure to aide breathing/comfort caused from ascites.
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paracentesis
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A chronic progressive disease of the liver with extensive destruction of parenchymal cells.
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Cirrhosis of the Liver
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In cirrhosis, cells attempt to regenerate but are disorganized and abnormal cell regeneration damages ___ ___ and bile ducts
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blood vessels
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Cirrhosis is a chronic progressive disease of the liver with extensive destruction of _____ _____
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parenchymal cells
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Cirrhosis equally affects men & women.
true/false |
false
2X more common in men |
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There are 4 types of cirrhosis.
Name them. |
1 - Alcoholic
2- Post necrotic 3- Biliary cirrhosis 4- Cardiac |
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A type of cirrhosis which is a complication of viral, toxic, or idiopathic hepatitis from which broad bands of scar tissue form.
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Post necrotic cirrhosis of the of the liver
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A type of cirrhosis that is associated with biliary obstruction and infection causing diffuse liver fibrosis and jaundice.
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Biliary cirrhosis
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Cardiac cirrhosis is caused from long standing ___ heart failure that causes congestion & scarring.
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right
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There are 4 major complications of cirrhosis which include
portal hypertension & esophageal varices, Peripheral edema & ascites, hepatic encephelopathy, & ____. |
Hepatorenal syndrome
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Incfreased venous pressure in the portal circulation, splenomegaly, large collateral veins, ascites, systemic hypertension & esophageal varices are charateristic of?
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portal hypertension
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Portal hypertension is caused by compression & destruction of the ____ & sinusoids due to structural changes in the liver from the cirrhotic process. These changes result in the obstruction of blood flow through the ____ ____.
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portal veins
portal system |
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Portal hypertension results in ____ ____ in an attempt to reduce high portal pressure & reduce increased plasma volume & lymphatic flow.
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collateral circulation
|
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In portal hypertension, common sites for collateral circulation are?
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lower esophagus
(left gastric vein & azygos veins) |
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Variscosities resulting from collateral circulation due to portal hypertension develop in the lower esophagus, the anteior abdominal wall, the parietal peritoneum and the rectum. Variscosities may develop in areas where the collateral & systemic circulations communicate resulting in esophageal & gastric varices and ____.
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hemmorhoids
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Esophageal varices are a complex of tortuous veins at the lower end of the esophagus which become _____ & ____ as a result of portal hypertension.
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emlarged & swollen
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The most life threatening complication of cirrhosis is?
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bleeding esophageal varices
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Approximately 30-50% of patients w/bleeding esophageal varices die within?
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6 weeks of their 1st esophageal bleed
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Varices that develop as a result of collateral circulation due to portal hypertension, are fragile & do not tolerate high pressure causing distention, ruptures thus bleeding. Ruptures & bleeds occur in response to ulcerations & irritation usually caused from numerous factors. Name some of these factors.
|
1- ingesting alcohol
2- not chewing food wll course foods 3- acid reguritation from stomach 4- increased abd pressure caused by: a-nausea b-vomiting c-straining at stool d-coughing e-sneezing f-heavy lifting |
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A medical emergency as a result of esophageal carices is:
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massive hemmorrhage
|
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Thi scondition results from decreased colloidal oncotic pressure from impaired liver synthesis of albumin & increased portocaval pressure from portal hypertension.
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edema
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Edema as a result of portal hypertension occurs as ankle & ____ edema.
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presacral
|
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The accumulation of serous fluid in the peritoneal or abdominal cavity which is a common manifestation of cirrhosis.
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ascites
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Ascites occurs when blood pressure is elevated in the liver causing ____ to move from the blood vessels via the larger pores of the sinusoids into the ____ space.
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proteins
lymph |
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Occurs when the lymphatic system is unable to carry off the excess proteins & water & begin to leak through the liver capsule into the peritoneal cavity, thus osmotic pressure of the proteins pulls additional fluid into the peritoneal cavity.
|
ascites
|
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A second mechanism of ascites formation is hypoalbuminemia that results from the inability of the liver to synthezize _____.
|
albumin
|
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Secondary to ascites, this condition results from the inability of the liver to synthezize albumin.
|
hypoalbuminemia
|
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Hypoalbuminemia, secondary to ascites results from the inability of the liver to synthesize albumin which causes _____colloidal oncotic pressure.
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decreased
|
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A 3rd mechanism of ascites is hyperaldosteronism. Hyperaldosteronism occurs when aldosterone is not metabolized by damaged hepatocytes causing increased levels of ____ which in turn increases ____ reabsorption by the renal tubules.
|
aldosterone
sodium |
|
A 3rd mechanism of ascites is hyperaldosteronism which occurs when aldosterone is not metabolized by damaged hepatocytes causing increased levels of aldosterone which in turn increases sodium reabsorption by the renal tubules. This retention of sodium & increase on antidiuretic hormone causes?
|
additional water retention in patients with ascites
|
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Due to edema formation as a result of hyperaldosteronism, there is decreased intravascular volume & subsequently decreased ____ ____ ____ & glomerular filtration.
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renal blood flow
|
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Decreased colloidal pressure from impaired liver synthesis of albumin and increased pressure secondary to portal HTN is?
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Peripheral Edema
|
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Secondary to or in addition to Peripheral Edema may be the development of ____?
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Ascites
|
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Accumulation of serous fluid in the peritoneal or abdominal cavity is?
|
Ascites
|
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Manifestations of ascites are weight gain, & if severe, the umbilicus may be inverted, & abdominal striae with distended abd wall veins can be observed. What are some other manifestations?
Can you name 3? |
1- dehydration
2- dry tongue, dry skin, sunken eyeballs, & muscle weakness 3- decreased urinary output 4- hypokalemia due to excessive loss of K+ because of affects of aldsterone & also resultant from diuretic therapy used to treat ascites |
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With ascites, this e;ectolyte imbalance is likely to occur?
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hypokalemia
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Hypokalemia in association with ascites is common & due to an excessive loss of K+ because of the affects of ____?
|
aldosterone
|
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Hypokalemia can result in ascites because of the effects of aldosterone but can also occur due to?
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diuretic therapy used to TX the ascites
|
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Too much aldosterone, too much water in the wrong place, decreased renal vascular flow triggers excessive levels of ADH hormone causing what?
|
More water retention!
|
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In association with ascites, ___ ___ can occur r/t vasoconstriction due to ?
|
renal failure
decreased reanl blood flow & glomerular filtration |
|
A neuropsychiatric manifestation of liver damage that is a terminal complication.
|
Hepatic Encephalopathy
COMA !!! |
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The manifestation which is characteristic of hepatic encephalopathy is?
|
A coma !!!
|
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Hepatic encephalopathy is a coma that can occur in any condition in which the liver damage causes ____ to enter the sytemic circulation without liver detoxification.
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amonia
|
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Hepatic Encephalopathy is a terminal complication that can occur in any condition where liver damage causes ammonia to enter the ____ ____ without liver detoxification. The ammonia comes from the ____ then routed through hepatic circulation where it is converted to urea in the kidneys & excreted.
|
systemic circulation
intestines |
|
Hepatic Encephalopathy is a terminal complication that can occur in any condition where liver damage causes ammonia to enter the systemic circulation without liver detoxification. Normally, ammonia goes to the ___ via portal circulation. However, due to collateral circulation blood is shunted past the liver & the ammonia is not converted to ____ which is normally excrested by the kidneys but instead remains in the systemic circulation.
|
liver
urea |
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Ammonia doesn’t belong in the systemic circulation & values of ammonia greater than ___ causes neurological changes ranging from lethargy to ___
|
30
coma |
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In association with hepatic encephalopathy, ammonia crosses the ___ ___ ___ which produces neurotoxic manifestations.
|
blood brain barrier
|
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A risk associated with the TX of reducing portal hypertension using surgical shunt precedures is?
|
hepatic encephalopathy
|
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In the early stages of hepatic encephalopathy, manifestions are?
|
euphoria & depression
apathy & irritability memory loss & confusion yawning & drowsiness slow & slurred speech emotional lability & impaired judgment hiccups & slow deep respirations hyperactive reflexes POSITVE BABINSKI reflex |
|
With hepatic encephelopathy, disorientation to time, place, or person, & flapping tremors (asterixis)are?
|
signs of impending coma
|
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Asterixis is?
|
flapping tremors
most commonly rapid flexion & extension movements in hands & arms when stretched out; unable to hold hands & arms in position when stretched out |
|
Apraxia is?
|
the inability to construct simple figures as with using a pen or pencil from left to right
|
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In addition to disorientation & asterixis, other signs of impending coma (hepatic encephalopathy) are?
|
apraxia, hyperventilation, hypothermia, grimacing, & grasping reflexes.
|
|
Term used to describe a musty, sweet, odor of the breath caused from an accumulation of digestive by products that the liver cannot degrade.
|
fetor hepaticus
|
|
Nmae 3 characteristics of hepatic encephelopathy.
|
1- asterixis (flapping tremors)
2- apraxia (difficulty using pen from left to right) 3- fector hepaticus (musty, sweet breath odor) |
|
A serious complication of cirrhosis characterized by functional renal failure w/advancing azotemia, oliguria, & intractable ascites.
|
Hapatorenal syndrome
|
|
In cirrhosis there are abnormalities in most of the liver function studies.
enzyme levels are decreased or elevated? |
elevated
AST, ALT, SGOT, SGPT, GGT |
|
In cirrhosis there are abnormalities in most of the liver function studies of which enzyme levels are elevated in addition to increased ____ levels. Protein metabolism tests are _____.
|
globulin
decreased |
|
Early manifestations of cirrhosis may include GI disturbances, anorexia, dypepsia, flatulence, N&V, & change in bowel habits. These symptoms occur as a result of?
|
livers altered metabolism of carbs, fats, proteins
|
|
Early manifestations of cirrhosis may include GI disturbances, anorexia, dypepsia, flatulence, N&V, & change in bowel habits as a result of result of livers altered metabolism of carbs, fats & proteins. The patient may also complain of?
|
abd pain described as dull, heavy feeling in the R-upper quadrant or epigastrium
may be due to swelling & stretching of liver capsule, spasm of bilary ducts, or intermittant vascular spasm |
|
Early manifestations of cirrhosis may include GI disturbances, anorexia, dypepsia, flatulence, N&V, & change in bowel habits as a result of result of livers altered metabolism of carbs, fats & proteins. Patient may also complain of dull, heavy pain in the R-upper quadrant & other manifestations may include?
|
fever, lassitude, slight weight loss, & enlargement of the liver & spleen
|
|
Later manifestations of cirrhosis are?
Name 5. |
1-jaundice
2-skin lesions 3-hematologic problems 4-endocrine disturbances 5-peripheral neuropathy |
|
attributed to an increase in circulating estrogen as a result of the damaged liver's inability to metabolize steroid hormones:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
b) skin lesions
spider angioma's |
|
due to an accumulation of bile salts underneath the skin
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
a) jaundice
|
|
Throbocytopenia, leukopenia, & anemia probably caused by splenomegaly in patients with cirrhosis:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
c) hematologic problems
|
|
In patients with cirrhosis hemmorrhagic phenomina or bleeding tendencies such as epitaxis, purpura, petechiae, easy bruising, gingival belleding, & heavy menstrual bleeding are characteristics associated with:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
c) hematologic problems
|
|
Signs & symptoms relating to the metabolism & inactivation of adrenocortical hormones such as estrogen, & testosterone in patients wth cirrhosis are associated with:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
d) endocrine disturbances
|
|
In patients with cirrhosis, gymecomastia, loss of axillary & pubic hair, testicular atrophy, & impotence with a loss in libido occur as a result of:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
d) endocrine disturbances
|
|
In patients with cirrhosis, gymecomastia, loss of axillary & pubic hair, testicular atrophy, & impotence with a loss in libido occur as a result of:
|
estrogen accumulation
|
|
With cirrhosis, amennorrhea may occur in younger women & in older women there may be?
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
vaginal bleeding
|
|
In cirrhosis, the liver fails to metabolize ______ adequately resulting in hyperaldosteronism with subsequent sodium & water retention & ____ loss.
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
aldosterone
K+ |
|
In cirrhosis, the liver fails to metabolize aldosterone adequately resulting in hyperaldosteronism with subsequent sodium & water retention & K+ loss whic is associated with later manifestations of ?
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
d) endocrine disturbances
|
|
A common finding in alcoholics with cirrhosis due to a dietary deficiency of thiamine, folic acid, & cobalamin which are associated with later manifestations associated with:
a) jaundice b) skin lesions c) hematologic problems d) endocrine disturbances e) peripheral neuropathy |
e) peripheral neuropathy
|
|
A red area that blanches with pressure & located on the palms of the hands is termed ______ ______ & associated with an increase in circulating estrogen due to the inability of the damaged liver to metabolize ___ ___.
|
Palmar erythema
steroid hormones |
|
Disorder of the liver most commonly caused by viral hepatitis secondary to drugs such as tylenol + ETOH, Isoniazid, sulfa drugs & NSAIDS).
|
Fulminant Hepatic failure
|
|
A clinical syndrome of which there is severe impairment associated with development of hepatic encephalopathy. Lab studies will reveal increased LFT, prolonged PT, increased bilirubin. This condition may require liver transplant.
|
Fulminant Hepatic failure
|
|
Primary Liver Cancer originates in the liver, is rare & most common in?
|
males
|
|
In Fulminant Hepatic failure, hepatic encephelopathy usually occurs with the 1st ___ of the 1st symptoms.
|
8 weeks
|
|
The most common cause of Fulminant Hepatic failure is?
|
viral hepatitis
in particular with HBV may also manifest with HAV less frequent in HCV |
|
With viral hepatitis being the most common cause of Fulminant Hepatic failure, the second leading cause is?
|
drugs
|
|
In considering the second most common cause of Fulminant Hepatic failure, the most common offending agent is?
|
acetaminophen in combination w/alcohol
|
|
Though the combination of acetaminophen in combination w/alcohol is the most common offending agent in causing Fulminant Hepatic failure other drugs would include?
|
isonizid, fluothane, sulfa containing drugs & NSAIDS
|
|
Symptoms of Fulminant Hepatic failure are?
|
jaundice & S/S of hepatic encephalopathy
|
|
TX for Fulminant Hepatic failure may be?
|
liver transplantation
|
|
Approxinmately 20% of these patients will develop cirrhosis?
|
Chronic Hep C
|
|
Approxinmately 10-20% of these patients will develop cirrhosis?
|
Chronic Hep B
|
|
ALthought there is no specific therapy for cirrhosis, certain measures can be taken to promote liver cell regeneration & prevent complications. A significant measure is?
|
rest
reduces metabolic demands of the liver & allows for recovery of liver cells. |
|
At various times during the progress of cirrhosis, rest may have to take on the form of complete bed rest.
true/false |
true
|
|
Management of ascites is focused on what 3 things?
|
1- sodium restriction
2- diuretics 3- fluid removal |
|
Restriction of sodium in TX of patients w/ascites can result in?
|
reduced nutritional intake & subsequent problems associated with malnutrition
|
|
In patients undergoing TX for ascites, the patient is not on restricted fluids unless severe ascites develops. Accurate assessment of ____ & ____ balance is necessary.
|
fluid & electrolyte
|
|
In patients with ascites, this is a potassium sparing & effective diuretic even in patients with severe sodium retention.
|
aldactone
(antagonist of aldosterone) |
|
In patients with ascites, this is a high-potency loop diuretic that is fequently used in combination with a potassium sparing drug.
|
Lasix
|
|
A needle puncture of the abdominal cavity that nmay be performed to remove ascitic fluid.
|
paracentesis
|
|
Paracentesis is a TX for ascites that is reserved for the patient with ____ ____ or abdominal pain caused by severe ascites.
|
impaired respirations
|
|
A surgical procedure that provides continuous reinfusion of ascitic fluid into the venous system.
|
Paeritonovenous shunt
|
|
The main goal of patients with esophageal varices is?
|
avoidance of bleeding & hemmorrhage
|
|
The patient w/esophageal varices should avoid what 3 things?
|
alcohol
aspirin irritating foods |
|
When variceal bleeding occurs, the 1st step is to?
|
stabilize the patient & manage the airway
IV therapy is initiated & may involve administration of blood products |
|
DX of esophageal varices is made by?
|
endoscopic examination ASAP
|
|
The goal of TX for hepatic encephalopathy is?
|
reduction of ammonia formation
protien reduction |
|
The diet for patients with cirrhosis without complications is?
|
high calories (3000kcal/day)
high carb, low fat & prorein determined by degree of liver damage |
|
Diets for patients w/hepatic encephalopathy are low in ?
|
protein to NO protein
|
|
The common etiologies for cirrhosis are alcohol, malnutrition, hepatitis, biliary obstruction & ___ ___ ___ ___.
|
R-sided heart failure
|
|
Acute hepatitis must be identified & TX early so that it does not progress to?
|
chronic hepatitis
|
|
Biliary disease must be TX early so that the stones do not cause ___ & ___.
|
obstruction & infection
|
|
The focus of NRSG care for patients w/cirrhosis is on?
|
conserving the patients strength; promoting rest
|
|
The focus on patients w/cirrhosis who are on complete bed rest are what 3 things?
|
1- measures to prevent pneumonia
2- prevent thromboembolic problems 3- prevent pressure ulcers |
|
Anorexia, N&V, pressure from ascites & poor eating habits all create problems in maintaining adequate nutrition. NRSG measures would include?
|
1- oral hygiene
2- between meal nourishments 3- provide food preferences when possible 4- explain any necessary dietary restrictions to pt & family |
|
NRSG assessment of pts w/ cirrhosis include pt's physiologic response to cirrhosis which include: is jaundice present?; where is it observed?; what is the progression. What observations will you be making?
|
1-presence of pruritus
2- relieve itching (Questran) 3- color of urine 4-color of stools 5- is urine foamy? 6-presence of edema or ascites 7- intake & output 8-daily weights 9-measurements of extremities 10-measurements of abd girth |
|
When pts have paracentesis done tghe NRS should have the patient ___ ___ before the procedure to revent puncture of the _____.
|
void immediately
bladder |
|
The proper position for a patient undergoing paracentesis is sitting on the side of the bed or in ____ ___.
|
high Fowler's
|
|
After a pt has paracentesis done, the NRS should do what 3 things?
|
1- monitor for hypovolemia
2- monitor electrolyte imbalances 3- check the dressing for bleeding & leakage |
|
A common problem for patients with ascites is___ & should be placed in what position?
|
dyspnea
semi-Fowlers or Fowlers position to allow for maximal respiratory efficiency |
|
In caring for patients with ascites, meticulous skin vcare is essential because of?
|
edematous tissue is subject to breakdown
air mattress, turning schedule, pillows, ,ROM, TCDB, elevation of lower extremities |
|
In caring for patients with ascites & the patient is taking diuretics, what serum levels should be monitored?
|
K+, CL-, & Bicarbonate
|
|
In patients with ascites & taking diuretics the patient should be observed for fluid & electrolyte imbalance especially?
|
K+
|
|
Hypokalemia is manifested by what 4 signs?
|
1-cardiac arrhythmias
2- hypotension 3- tachycardia 4-generalized muscle weakness |
|
Excess water retention is manifested by 4 signs?
|
1-muscle cramping
2-weakness 3-lethargy 4-confusion |
|
If a patient has esophageal varices in addition to cirrhosis the nurse must observe for any signs of?
|
any signs of bleeding
hematemesis & melena |
|
If hematemesis occurs the nurse should assess the patient for _____, call the physician, & be ready to assist with whatever TX is used to control the bleeding.
|
hemmorrhage
|
|
If hematemesis occurs, the nurse will assess the patient for hemmorrhage, call the physician, & ready to assist with whatever TX is used to control the bleeding. The NRS will anticipate what 2 things will happen next?
|
1- patient will be admitted to ICU
2-patients airway must be maintained |
|
The focus of nursing care of patients w/ hepatic encephalopathy is?
|
sustaining life & assisting w/measures to reduce formation of amonia
|
|
In assessing the patient w/hepatic encephalopathy the NRS will do what 5 things?
|
1- assess level of responsivness (reflexes, pupils, orientation)
2- sensory & motor abnormalities (hypereflexia, asterixis, motor coordination) 3-fluid & electrolyte imbalance 4- acid base imbalance 5- effectiveness of TX measures |
|
When Balloon tamponade is is used for esophageal varices the initial nursing task related to insertion of the tube will be to?
|
explain the use of this tube & how it will be inserted
balloons shoul dbe checked for patency secure tube with a piece of sponge or foam rubber at the nostrils (nasal cuff) |
|
Sometimes a saline lavage is used to remove blood from the stomach to prevent degradation to amonia which leads to encephalopathy. The balloon used in this procedure should be deflated every ___-___ to avoid necrosis.
|
8-12 hours
Each lumen must also be labeled to avoid confusion |
|
The most common complication of of balloon tamponade is?
|
aspiration pneumonia
|
|
Nursing care for patients with a balloon tamponade includes monitoring for complications of rupture or erosion of the esophagus, regurgitation & aspiration of gastric contents, &?
|
occulsion of the airway by the balloon
|
|
WHat should be kept at the bedside of a patient with a balloon tamponade?
|
scissors
if the ballon breaks or is deflated, the esophageal balloon will will slip upward obstruct airway & cause asphyxiation. In this event: cut the tube or deflate the esophageal balloon Reguritation is minimized by oral & pharengeal suctioning& keeping patient in semi-Fowlers position |
|
NRSG assessments of a patient w/hepatic encephalopathy will include neurologic checks q2h. Measures to prevent constipation are important because?
|
need to decrease ammonia production
drugs, laxatives & enemas should be administered as prescribed encourage fluids if not contraindicated Patient should not strain at stool to prevent bleeding of hemmorroidal varices |
|
The most common primary liver cancer is?
|
hepatocellular carcinoma
|
|
A high % of patients w/primary cell carcinoma have?
|
cirrhosis of the liver
|
|
Hepatocellular carcinoma is often associated with chronic liver diseases including?
|
chronic Hep B & C
|
|
More common than primary liver carcinoma?
|
metastatic carcinoma of the liver
|
|
In liver cancer, malignant cells cause the liver to be enlarged & _____, hemmorrhage & necrosis is common.
|
misshapened
|
|
Primary liver tumors commonly metastasisize to the?
|
lung
|
|
Test used to assist in diagnosis of liver cancer are?
|
CT
hepatic arteriography ERCP endoscopic retrograde cholangiopancreatography liver biopsy AFP alphafetoprotein (+) |
|
Lab study in patients with hepatocellular carcinoma (70%) that helps to distinguish primary cancer from metastatic cancer?
|
AFP alphafetoprotein (+)
|
|
An effective immunosuppressant used in patients with liver transplants that does not impair healing or suppress bone marrow.
|
Cyclosporine
|
|
Type of jaundice assoc. w/ gallstone is?
|
obstructive
|
|
With obstructive jaundice, the type of serum bilirubin that is most likely elevated is?
|
conjugated
|
|
Hemolytic jaundice is caused by?
|
an increased breakdown of RBC's.
|
|
Hemolytic jaundice caused by an increased breakdown of RBC's will reflect what type of elevated bilirubin?
|
unconjugated
|
|
Jaundice that occurs from failure of the liver to conjugate & excrete bilirubin is known as?
|
hepatocellular
|
|
Jaundice that occurs from failure of the liver to conjugate & excrete bilirubin is Hepatocellular jaundice & causes elevations in conjugated & unconjugated ____?
|
bilirubin
|
|
IV drug use is method of greatest transmission
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
c) Hep C
|
|
Type that is uncommon in the U.S.
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
e) Hep E
|
|
Exists only with Hep B
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
d) Hep D
|
|
Caused by a DNA Virus
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
b) Hep B
|
|
Most common cause of chronic hepatitis
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
c) Hep C
|
|
Often causes asymptomatic anicteric hepatitis
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
a) Hep A
|
|
Chronic carriers have increased risk for hepatocellular cancer
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
b) Hep B
|
|
Has no chronic carrier state
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
a) Hep A
|
|
No readilay available serology tests
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
e) Hep E
|
|
Usual cause of hepatitis epidemics
a) Hep A b) Hep B c) Hep C d) Hep D e) Hep E |
a) Hep A
|
|
The systemic effects of viral hepatitis are caused primarily by:
a) cholestasis b) impaired portal circulation c) toxins produced by the infected liver d) activation of the compliment system by antigen-antibody complexes |
d) activation of the compliment system by antigen-antibody complexes
|
|
During the preicteric phase of viral hepatitis, the nurse would expect to report
a) pruritus & malaise b) dark urine & easy fatigability c) anorexia & r-upper quadrant discomfort d) constipation or diarrhea w/light colored stools |
c) anorexia & r-upper quadrant discomfort
|
|
Fulimant hepatic failure as a complication of viral hepatitis is highest in those individuals with
a) hep a b) hep c c) hep B accompanied w/hep c d) hep b accompanied w/hep d |
d) hep b accompanied w/hep d
|
|
The family members of a patient w/hep A asks if there is anything that will prevent them from developing the disease. The best response is
a) No immunization is available for hep A, nor are you likely to get the disease b) only people who have had sexual contact w/the patient should receive immunizations c) all family members should receive the hep A vaccine to prevent or modify the infection d) those who have had household or close contact w/the patient should receive immune globulin |
d) those who have had household or close contact w/the patient should receive immune globulin
|
|
A patient newly diagnosed w/ acute hep B asks if there is drug therapy to TX the disease. The appropriate response by the nurse is informing the patient that
a) there are no specific drug therapies that are effective for TX viral hepatitis b) only chronic hep C is treatable w/antiviral agents or interferon c) no drugs can be used for TX of viral hep C because of risks assoc w/additional damage to liver d) interferon combined w/epivir will decrease viral load & liver damage if taken for 1 yr |
a) there are no specific drug therapies that are effective for TX viral hepatitis
|
|
The nurse identifies a need for further teaching when the patient with hep B states
a) i should avoid alcohol completely for as long as a year b) i must avoid all physical contact w/my family until the jaundice is gone c) i should use a condom to prevent spread of the disease to my sexual partner d) i will need to rest several times a day, gradually increasing my activity as I can tolerate it |
b) i must avoid all physical contact w/my family until the jaundice is gone
|
|
One of the most cjhalenging nursing interventions to promote healing in the patient w/viral hep is
a) providing adequate nutritional intake b) promting strict bed rest c) providing pain relief w/out using liver metabolized drugs d) providing quiet diversional activities during periods of fatigue |
a) providing adequate nutritional intake
|
|
When caring for a patient with autoimmune hep, the nurse recognizes that unlike viral hep, the patient
a) does not manifest hepatomegaly or jaundice b) experiences less liver inflammation or damage c) is TX w/corticosteroids or other immunosuppresant agents d) is usually an older adult who has used a variety of prescription & over-the-counter drugs |
c) is TX w/corticosteroids or other immunosuppresant agents
|
|
Diffuse liver fibrosis
a) alcoholic b) postnecrotic c) biliary d) cardiac |
c) biliary
|
|
Vascular congestion of liver
a) alcoholic b) postnecrotic c) biliary d) cardiac |
d) cardiac
|
|
related to malnutrition
a) alcoholic b) postnecrotic c) biliary d) cardiac |
a) alcoholic
|
|
associated with chemical toxicity
a) alcoholic b) postnecrotic c) biliary d) cardiac |
b) postnecrotic
|
|
Early fatty infiltration
a) alcoholic b) postnecrotic c) biliary d) cardiac |
a) alcoholic
|
|
Viral induced
a) alcoholic b) postnecrotic c) biliary d) cardiac |
b) postnecrotic
|
|
Chronic biliary obstruction
a) alcoholic b) postnecrotic c) biliary d) cardiac |
c) biliary
|
|
Testicular atrophy
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
c) decreased estrogen metabolism
|
|
Anemia, leukopenia, thrombocytopenia
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
b) vascular congestion of spleen
|
|
Dull, heavy, RUQ pain
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
d) stretching over liver capsule
|
|
Petechia & pupura
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
a) decreased prothrombin production
|
|
Jaundice
a) decreased bilirubin conjugation & excretion b) altered carbohydrtate, protein, & fat metabolism c) decreased testosterone metabolism d) vitamin B deficiencies |
a) decreased bilirubin conjugation & excretion
|
|
anorexia & dyspepsia
a) decreased bilirubin conjugation & excretion b) altered carbohydrtate, protein, & fat metabolism c) decreased testosterone metabolism d) vitamin B deficiencies |
b) altered carbohydrtate, protein, & fat metabolism
|
|
amennorrhea
a) decreased bilirubin conjugation & excretion b) altered carbohydrtate, protein, & fat metabolism c) decreased testosterone metabolism d) vitamin B deficiencies |
c) decreased testosterone metabolism
|
|
Peripheral neuropathy
a) decreased bilirubin conjugation & excretion b) altered carbohydrtate, protein, & fat metabolism c) decreased testosterone metabolism d) vitamin B deficiencies |
d) vitamin B deficiencies
|
|
spider angiomas
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
c) decreased estrogen metabolism
|
|
male gynocomastia
a) decreased prothrombin production b) vascular congestion of spleen c) decreased estrogen metabolism d) stretching over liver capsule |
c) decreased estrogen metabolism
|
|
Portal hypertension & the resulting increased hydrostatic pressure cause leakage of plasma into the abd cavity from 3 major sources.
Nmae them. |
1- liver lympatics
2- liver tissue 3- intestinal vasculature |
|
In addition to the liver lympatics, liver tissue, & the intestinal vasculature, fluid also moves into the abd cavity & produces ascites because of decreased serum oncotic colloidal pressure. The decreased serum colloidal pressure is caused by?
|
decreasing liver production of albumin
|
|
Fluid sequestering in the peritoneal cavity results in (increased/decreased) vascular volume, (increased/decreased) blood return to the heart, & (increased/decreased) cardiac output.
|
decreased
decreased decreased |
|
The change in cardiac output results in (increased/decreased) kidney perfusion & secretion of ____ & ____, both of which increase fluid retention.
|
decreased
aldosterone ADH |
|
The retained fluid has low oncotic colloidal pressure, & it escapes into the interstitial spaces causing _______.
|
peripheral edema
|
|
Excessive fluid cntinues to be reabsorbed from the kidney because of the altered kidney perfusion & because ____ is not metabolized by the impaired liver.
|
aldosterone
|
|
The changes in lab test results that relate to this process are ____ & ____.
|
hypoalbuminemia
hypokalemia |
|
Lab tests results that the nurse would expect to find in a patient with cirrhosis include
a) serum albumin: 7.0 g/dl (70g/L) b) bilirubin: total 3.2 mg/dl (54.7 umol/L) c) serum cholesterol: 260 mg/dl (6.7 mmol/L) d) asparate aminotransferase (AST): 6U/L (0.1 ukat/L) |
b) bilirubin: total 3.2 mg/dl (54.7 umol/L)
|
|
The nurse recognizes early signs of hepatic encephalopathy in the patient who
a) menifests asterixis b) becomes unconscious c) has increasing oliguria d) is irritable & letahrgic |
d) is irritable & letahrgic
|
|
A patient w/cirrhosis has a nursing diagnosis of disturbed body image. Common etiologic factors for this diagnosis include:
a) jaundice & ascites b) dyspnea & pruritus c) alopecia & skin lesions d) periorbital edema & decreased sensory perception |
a) jaundice & ascites
|
|
A patient w/advanced cirrhosis has a nursing diagnosis of imbalanced nutrition, less than body requirements related to anorexia & inadequate food intake. An appropriate midday snack for the patient would be
a) peanut butter & salt free crackers b) popcorn w/salt free butter & herbal seasoning c) canned chicken noodle soup w/low protein bread d) a tomato sandwhich w/low protein bread & salt free butter |
d) a tomato sandwhich w/low protein bread & salt free butter
|
|
A [patient w/ascites is short of breath & has an increased respiratory rate. The nurse should
a) notify the physician so a paracentesis can be performed b) initiate 02 therapy at 2L/min to increase gas exchange c) ask the patient to cough & deep breath to clear respiratory secretions d) place the patient in Fowlers position to relieve pressure on the diaphragm |
d) place the patient in Fowlers position to relieve pressure on the diaphragm
|
|
During the TX of the patient w/bleeding esophageal varices, it is most important that the nurse
a) prepares the patient for immediate portal shunting surgery b) performs guaiac testing on all stools to detect occult blood c) maintains the patients airway & prevents aspiration of blood d) monitiors for the cardiac stimulant effects of IV vasopressin & nitroglycerin |
d) monitiors for the cardiac stimulant effects of IV
|
|
A patient w/cirrhosis that is refractory to other TX for esophageal varices undergoes a peritoneovenous shunt. As a result of this procedure, the nurse would expect the patient to experience:
a) an improved survival time b) decreased serum ammonia levels c) improved metabolism of nutrients d) improved hemodynamic fxn & renal perfusion |
d) improved hemodynamic fxn & renal perfusion
|
|
In discussing the patient w/alcoholic cirrhosis, the nurse advises the patient that
a) a daily exercise regimen is important to increase the blood flow through the liver b) cirrhosis can be reversed if the patient follows a regimen of proper rest & nutrition c) abstinence from alcohol is the most important factor in improvement of the patients condition d) the only O-T-C analgesic that should be used for minor aches & pains is aceaminophen |
c) abstinence from alcohol is the most important factor in improvement of the patients condition
|
|
A patient is hospitalized w/metastatic cancer of the iver. The nurse plans care for the patient based on the knowledge that
a) chemotherapy is highly successful in the TX of liver cancer b) the patient will undergo surgery to remove the involved portions of the liver c) supportive care that is appropriate for all patients w/severe liver damage is indicated d) metastatic cancer of the liver is more responsive to TX than primary carcinoma of the liver |
c) supportive care that is appropriate for all patients w/severe liver damage is indicated
|
|
A patient w/cirrhosis asks the nurse about the possibility of a liver transplant. The best response by the nurse is
a) liver transplants are only indicated in children w/irreversible liver disease b) if you are interested in a transplant you really should talk to your doctor about it c) rejection is such a problem in liver transplants that it is seldom attempted in patients w/cirrhosis d) cirrhosis is an indication for transplantation in some cases. Have you talked to your DR about this? |
d) cirrhosis is an indication for transplantation in some cases. Have you talked to your DR about this?-
|
|
An estimated 136,000 cases of hep occurr annually in the U.S. & _____ of these are in children
a) 1/8th b) 1/4th c) 1/3rd d) over 1/2 |
c) 1/3rd
|
|
The most common form of hep is acute, highly contagious, & traditionally called infectious hepatitis
a) hep A b) hep B c) hep C d) hep D |
a) hep A
fecal-oral |