Answers From Qbank Gi

Front 1

Best tx for staph food poisoning?

Back 1

Bed rest

Front 2

Bacterial infection from raw oyster?

Back 2

Cholera

Front 3

What is the antibx of choice for severe cholera?

Back 3

Tetracycline

Front 4

Tightly knotted ball of nematodes (15 to 35 cm in length), worms have tapered ends without hooks...species?

Back 4

Ascaris lumbricoides

Front 5

Which Vibrio cholera serogroup is the most common cause of cholera epidemics?

Back 5

01

Front 6

Celiac disease is associated with which HLAs? Predisposes to which neoplasms?

Back 6

HLA-B8 and DQW2, predisposes to T-cell lymphoma, and GI and breast cancer

Front 7

The retropharyngeal space is located between which two layers of fascia?

Back 7

Buccopharyngeal layer of deep cervical fascia and the prevertebral layer of deep cervical fascia

Front 8

Metoclopramide is used to treat...? can antagonize which receptors?

Back 8

Prokinetic agent used to treat GERD. Can antagonize dopamine receptors.

Front 9

Both pancreatic buds form from evaginations from which part of the duodenum?

Back 9

Second part

Front 10

Which antibiotic can cause a disulfiram-like reaction when taken with alcohol?

Back 10

Metronidazole

Front 11

Which vessel gives off the short gastric arteries?

Back 11

Splenic artery

Front 12

Internal hemorrhoids are produced by varicosities of which vein?

Back 12

Superior rectal vein

Front 13

Misoprostol is what type of drug? Prophylaxis to prevent...?

Back 13

Prostaglandin analog to prevent NSAID-induced ulcers

Front 14

Which muscle elevates the lower jaw during chewing? Moves the lower jaw forward? Backward?

Back 14

Medial pterygoid. Lateral pterygoid. Temporalis

Front 15

Which salivary gland has the greatest % of mucus secreting cells? Serous?

Back 15

Sublingual. Parotid.

Front 16

Which H2-receptor antagonist is a potent hepatic enzyme inhibitor?

Back 16

Cimetidine

Front 17

What type of mucosa is normal for the distal esophagus?

Back 17

Non-keratinized, stratified, squamous epithelium

Front 18

What ligament separates the greater peritoneal sac from the right portion of the lesser peritoneal sac?

Back 18

Gastrohepatic ligament

Front 19

What type of heterotopia can occur in the small intestine without causing bleeding?

Back 19

Pancreatic heterotopia

Front 20

The left renal vein drains into...?

Back 20

IVC

Front 21

The splenorenal ligament contains which vessels?

Back 21

The splenic artery and vein

Front 22

Mesalamine is indicated for the treatment of...?

Back 22

Ulcerative colitis.

Front 23

Pseudomembranous colitis produces what kind of diarrhea?

Back 23

Greenish, foul-smelling watery diarrhea.

Front 24

The right gastroepiploic artery is a branch of...?

Back 24

Gastroduodenal artery

Front 25

Which anesthetic can cause idiosyncratic hepatic failure?

Back 25

Halothane

Front 26

Elevated AST and ALT reveal what process in which tissue?

Back 26

Hepatocellular death

Front 27

CCK is secreted in response to...?

Back 27

The presence of amino acids and fatty acids in the duodenum

Front 28

Ondansetron selectively antagonizes which receptors?

Back 28

5HT3 receptors

Front 29

Lipoprotein lipase is located where?

Back 29

External surface of endothelium of tissues with triglyceride needs such as muscle and lactating breast.

Front 30

What type of stones can be seen in liver fluke infestation?

Back 30

Bilirubin stones

Front 31

The free edge of the lesser omentum contains which three important structures?

Back 31

Common bile duct, hepatic artery, and the portal vein

Front 32

What agents are absolutely contraindicated in patients with bowel obstruction?

Back 32

Prokinetics, such as metoclopramide

Front 33

Gastroschisis? Caused by?

Back 33

Abdominal viscera protrude from the abdominal cavity at birth. Caused by incomplete fusion of the lateral body folds

Front 34

Motilin is released by...?

Back 34

Small intestine

Front 35

How does secretin affect the rate of stomach emptying?

Back 35

Decreases the rate of stomach emptying

Front 36

Inferior rectal nerve is a branch of...?

Back 36

Pudendal nerve of the sacral plexus

Front 37

Sepsis, hypotensions, and neutrophilia in an infant who has been started on oral foods....?

Back 37

Necrotizing enterocolitis.

Front 38

Which narcotic is least likely to cause spasm of the sphincter of Oddi? Why?

Back 38

Meperidine, due to its anti-muscarinic properties.

Front 39

Superior pancreaticoduodenal artery gets it's blood supply from? Inferior?

Back 39

Celiac trunk by means of the common hepatic artery. SMA.

Front 40

Which tx for GERD could cause torsades de pointes when given with erythromycin?

Back 40

Cisapride.

Front 41

Disulfiram?

Back 41

a drug used to support the treatment of chronic alcoholism by producing an acute sensitivity to alcohol.

Front 42

This parasite can cause mild diarrhea, or more aggressive dysentery, peritonitis, or liver abscess formation...

Back 42

Entamoeba histolytica

Front 43

Microabscesses in mesenteric lymph nodes is associated with which bug?

Back 43

Yersinia enteritis

Front 44

Enlarged and ulcerated Peyer's patches are associated with which infection?

Back 44

Salmonella typhii

Front 45

Cholera enterotoxin activates which enzyme?

Back 45

Adenylate cyclase

Front 46

Megaloblastic anemia can be caused by which parasite?

Back 46

Diphyllobothrium latum

Front 47

Kid vomits up a cylindrical white worm 30 cm long...How was this organism acquired?

Back 47

Ingestion of eggs from human feces (Ascaris lumbricoides)

Front 48

Which hepatitis virus is a major cause of epidemics but does not cause significant mortality in pregnant women?

Back 48

Hepatitis A

Front 49

A patient with dumping syndrome should eat small, frequent meals that are high in...?

Back 49

Fat

Front 50

What deficiency could cause a decrease in serum calcium and phosphate?

Back 50

Vitamin D

Front 51

Mini epidemic of pediatric diarrhea..?

Back 51

Yersinia

Front 52

Traveler's diarrhea - empiric tx?

Back 52

Ciprofloxacin

Front 53

Undercooked chicken - bloody diarrhea, abdominal pain, and fever...?

Back 53

Campylobacter jejuni

Front 54

Liver abscesses - what parasite..?

Back 54

Entamoeba histolytica

Front 55

OOcysts 5-7 microns in diameter...organism? Where does it's sexual phase occur?

Back 55

Crytosporidiosis - invades the brush border of the intestinal epithelium

Front 56

An obstruction in the common bile duct would affect the urine how?

Back 56

Increased urine bilirubin - tea-colored urine

Front 57

Oval eggs flattened along one side? Causes anal pruritis?

Back 57

Enterobius vermicularis (pinworm)

Front 58

Hep B infection causes what in the majority of cases?

Back 58

Subclinical disease followed by recovery

Front 59

Darkly colored faceted stones with irregular shapes are associated with which infestation?

Back 59

Opisthorchis sinensis (oriental liver fluke)

Front 60

Rotavirus symptoms in kids?

Back 60

Watery non-bloody diarrhea, often coupled with nausea and vomiting

Front 61

Norwalk agent usually affects kids older than..?

Back 61

2

Front 62

A stomach lesion on the lesser curvature with piled up ulcer edges suggests...?

Back 62

Gastric carcinoma

Front 63

What are predisposing factors for gastric carcinoma?

Back 63

Pernicious anemia, chronic gastritis, achlorhydria, bacterial overgrowth, and neoplastic polyps

Front 64

Achlorhydria?

Back 64

Absence of HCl in the stomach

Front 65

Type A gastritis - increased or decreased likelihood of developing gastric carcinoma?

Back 65

Increased

Front 66

Symptoms of fever, chills, hypotension, and fluid-filled blisters progressing to muscle necrosis...?

Back 66

Vibrio vulnificus

Front 67

Nonmotile bug, cuases dysentery?

Back 67

Shigella

Front 68

Plague bug?

Back 68

Yersinia pestis

Front 69

Hypertrophic pyloric stenosis usually presents when?

Back 69

Several weeks of age

Front 70

The parasympathetic preganglionic innervation to the internal anal sphincter is provided by which nerve?

Back 70

Pelvic nerve

Front 71

Courvoisier sign?

Back 71

Painless distention of the gallbladder

Front 72

Which bug produces exotoxin A?

Back 72

Staph aureus

Front 73

Which apolipoprotein molecule activates lipoprotein lipase?

Back 73

CII

Front 74

Supparative cholangitis can occur as a complication of infestation by...?

Back 74

Roundworm (ascaris lumbricoides) and the liver flukes Clonorchis sinensis and Fasciola hepatica

Front 75

Which damaging agents could cause development of hepatocellular carcinoma in the setting of cirrhosis?

Back 75

HBV, alcohol, hemochromatosis

Front 76

Loss of villi and intraepithelial lymphocytic infiltration?

Back 76

Celiac sprue

Front 77

Granular, spherical, thin-walled cysts measuring 10-20 um in diameter...trichrome stains show up to four nuclei in most of the cysts...?

Back 77

Entamoeba histolytica

Front 78

scleral icterus typically reflects which fraction of biliribuin that binds tissues more avidly..?

Back 78

Uncojugated bilirubin

Front 79

Which nodes drain the greater curvature of the stomach? The bladder and male internal genitalia? The distal stomach, pancreas and duodenum?

Back 79

Gastroepiploic nodes. Internal iliac nodes. Subpyloric nodes.

Front 80

What are the most important predictors of a carcinoid's metastatic potential?

Back 80

Location and size

Front 81

Acute hemorrhagic pancreatitis causes what changes to the pancreas?

Back 81

Autodigestion, chalky-white 'fat necrosis,' hemorrhagic, edematous

Front 82

Name two polyposis syndromes that do not preispose for colon cancer?

Back 82

Juvenile polyposis syndrome and Peutz-Jeghers syndrome

Front 83

Glands and sawtooth crypts with a proliferation of goblet and columnar epithelial cells - what type of polyp?

Back 83

Hyperplastic polyp

Front 84

What is a pancreatic pseudocyst?

Back 84

Complication of pancreatitis - lined by granulation tissue and collagen, containing pancreatic juices and lysed blood.

Front 85

Acetaminophen toxicity would cause elevation in which enzymes?

Back 85

AST and ALT

Front 86

This is formed by herniation of the mucosa at a point of weakness at the junction of the pharynx and esophagus in the posterior hypopharyngeal wall…?

Back 86

Zenker’s diverticulum

Front 87

What is the triad of Plumner-Vinson syndrome?

Back 87

Esophageal webs, atrophic glossitis, and iron-deficiency anemia

Front 88

Markedly enlarged rugal folds can be seen in several conditions, including…?

Back 88

Infiltrative cancer, lymphoma, hypersecretory gastropathy, and Menetrier disease

Front 89

What is Menetrier disease?

Back 89

Men at rear – protein losing enteropathy – marked hyperplasia of mucus-secreting cells.

Front 90

Tuberculosis GI involvement?

Back 90

Mass lesions and strictures

Front 91

Oral squamous cell carcinoma is most often located...? Which HPV is associated with almost half of all oral cancers?

Back 91

Floor of the mouth. HPV16

Front 92

Acute gastritis can be seen as a complication of which other conditions?

Back 92

Alcohol use, NSAIDs, smoking, shock, steroid use, and uremia

Front 93

Which autoimmune disease is associated with atrophic gastritis?

Back 93

Pernicious anemia

Front 94

Tumor composed of uniform round cells arranged in trabeculae, with a 'salt-and-pepper' chromatin pattern

Back 94

Carcinoid

Front 95

Cardiac failure, megaesophagus in Brazilian man...?

Back 95

Chagas

Front 96

One of the most common etiologic agents of infective esophagitis...?

Back 96

Herpes simplex

Front 97

What parts of the liver are Zones 1, 2, and 3, associated with...?

Back 97

Zone 1 - periportal
Zone 2 - intermediate
Zone 3 - Central vein

Front 98

Which liver zone contains the P450 oxidase enzyme system?

Back 98

Zone 3

Front 99

Disease characterized by inflammation and fibrosis of the intrahepatic and extrahepatic bile ducts, producing alternating strictures and dilatation...?

Back 99

Primary sclerosing cholangitis

Front 100

Usual cause of intestinal amebiasis, with small nuclei with distinctive tiny central karyosomes..?

Back 100

Entamoeba histolytica

Front 101

Most likely cause of sudden gastrointestinal obstruction?

Back 101

Intussusception

Front 102

On biopsy, this protozoan appears crescent-shaped...?

Back 102

Giardia lamblia

Front 103

Tumors from the penis, vagina, and anal canal drain to which lymph nodes?

Back 103

Medial side of the horizontal chain of the superficial group of inguinal lymph nodes

Front 104

Eosinophilic cytoplasmic inclusions...?

Back 104

Mallory bodies

Front 105

Predisposing condition to angiosarcoma in the liver?

Back 105

Vinyl chloride exposure (used in the rubber industry)

Front 106

Liver steatosis would progress to what if the noxious stimulus is removed?

Back 106

Complete regression

Front 107

Pancreatic calcifications constitute strong radiologic evidence of...?

Back 107

Chronic pancreatitis

Front 108

T or F? Pernicious anemia is an autoimmune disease associated with atrophic gastritis

Back 108

True

Front 109

Celiac sprue is located...?

Back 109

Proximal small bowel

Front 110

Polycythemia vera woman develops progressive severe ascites and tender hepatomegaly..?

Back 110

Budd-Chiari