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141 Cards in this Set

  • Front
  • Back
True or False
True or False
Gastroferrin is found in the stomach?
true
Ferritin is the inactive iron storage molecule?
false
Apoferritin transports iron to the liver?
false
The acidity in the stomach converts Fe2+ to Fe3+?
false
active iron in hemoglobin is Fe2+?
True
Transferrin transports Fe2+ in the blood stream
true
Fe2+ is required hemoglobin function
true
Gastroferrin transfers Fe2+ to transferrin
true
Fe2+ is also called the ferrous state of iron
true
An RBC 's lifespan average 220 days
false
bile emulsifies fats in the small intestine
true
specifically , high bilirubin levels result in jaundice?
false
Biliverdin is converted directly to bile?
false
blood group O- I'd the universal blood donor
true
Universal recipient is blood type O?
false
The A antigen is present on RBCs of blood type B?
false
type O patients have anti-A and anti-B antigens
false
type AB patients have both anti-A and anti- B antigens
false
clotting of blood is also called hemagglutination
false
an Rh+mother had Rh= antibodies
false
Erythropoiesis is formation of platelets?
false
Thromboxane A2 is a vasodilator?
False
Aspirin inhibits Thromboxane A2 function
true
Prostacyclin prevents platelet aggregation?
true
Heparin is a coagulant
false
Prostaglandin is a vasodilator
false
von Willibrand factor binds only to platelets
false
Prothrombin activates fibrin
false
Prothrombin is Factor II
true
Fibrinogen is Factor I
true
EDTA binds Ca2+ and Mg2+
true
Hemintin is a coagulant
false
2 cardiac cycles is 1.6 seconds
true
Coumarin inhibits Vit K
true
Hemintin is also called Warfarin
false
The pulmonary trunk carries O2 rich blood
false
The pulmonary artery enters the heart
false
RMP of SA node = -40 volt
false
Calcium channels open at -60 mVolts
false
AV node is the heart’s pacemaker
false
Macrophages found in the liver
Kupffer cells
Macrophages found in the skin
Dendritic cells
Macrophages found in lung
aveolar cells
Macrophages found in CNS
Microglia
Cells produce antibodies
B cells
Involved in cell-mediated immunity
T cells
Cells secrete histamines
mast cells
Cells kill cancer cells
natural killer cells
Cells kill virus-infected cells
natural killer cells
Cells kill bacteria
neutrophils
Cells assist in killing parasitic worms
Eosinophils
Cells can become plasma cells
B cells
Lysozyme is a cellular organ
false
Heparin promotes clotting
false
Histamine is an anti-inflammatory agent
false
B cells are found in the germinal center of lymph nodes
true
The thymus increases in size with age
false
Lymph enters the cardiovascular system through the aorta
false
Lacteals are blood capillaries
false
Reticular cells produce the stroma of lymphatic tissue
true
Lysosomes degrade bacteria only
false
Lysosomes can break down glycogen
true
Lysosomes can break down bone to release calcium
true
NK cells induce apoptosis
true
Macrophages have TOLL like receptors
true
Toll like receptors recognize PAMPS
true
Histamine is a vasoconstrictor
false
Interferon call kill bacteria
false
Gamma interferon is produces by lymphocytes
false
Fibroblasts produce beta interferon
true
Interferons can activate macrophages and NK cells
false
The classical pathway requires antibody
true
Adaptive immunity is systemic
true
An epitope is an antibody determinant
false
One antigen can have many epitopes
true
IgG accounts for about 10% of gamma globulins
false
Anti-Rh antibody is an IgG type antibody
true
IgM is a pentameric molecule
true
IgM can cross the placenta
false
T helper cells require antigen MHC-II
true
Principal cells help maintain acid-base balance
false
Intercalated cells help maintain water and salt balance
false
About 80-85% of nephrons are juxtamedullary nephrons
false
The vasa recta is continuous with the efferent arteriole
true
Each nephron has two capillary beds
true
Typically BHP = 55 mmHg
true
Typically COP = 15 mmHg
false
Typically CP = 30 mmHg
false
Normal GFR from males = 115 ml/min
false
Typical GFR for females is 125 ml/min
false
Kf = 125 ml/min
false
The kidney activates Vitamin D to calcitriol
true
Uremia results from sever azotemia
true
Azotemia is abnormal buildup of sugars in the blood
false
The functional unit of the kidney is the glomerulus
false
Filtration slits are found between podocytes
false
The vasa recta is continuous with the afferent arteriole
false
Juxtamedullary nephrons are involved with production of dilute urine
false
About 85% of nephrons are cortical nephrons
true
Filtration slits are about 100 nm in diameter
false
Delta cells of the pancreas produce insulin
false
Beta cells of the pancreas produce insulin
true
Alpha cells of the pancreas produce glucagon
true
Glucagon reduces blood sugar levels
false
Insulin raises blood glucose levels
false
Lacteals are lymphatic capillaries that absorb fat
true
Bile is a fat emulsifier
true
Protein synthesis initiates in the mouth
false
Parietal cells produce chymosin
false
Parietal cells produce intrinsic factor
true
Intrinsic factor is required for Vitamin B6 absorption
false
Chief cells produce rennin during childhood
false
Chief cells produce chymosin during infancy
true
Chief cells produce pepsinogen
true
Pepsinogen is an example of a zymogen
true
gastric rugae increase the surface area of the stomach
true
Delta cells of the pancreas are under sympathetic control
true
Delta cells secrete somatostatin
true
Glucagon increases glucose levels in the blood
true
Insulin decreases glucose levels in the blood
true
Human gametes have 46 chromosomes
false
Female liver cells have 22 pairs of chromosomes and XX:
true
Male gametes have 46 chromosomes and XY
false
Female liver cells have 22 pairs of chromosomes and XY
false
Eggs have 22 pairs of chromosomes and XX
false
Sperm cells have 22 pairs of chromosome and XY
false
Gametes are diploids
false
Sperm and eggs are produced by meiosis from 1N cells
false
The paramesonephric duct degenerates in male embryos
true
The mesonephric duct develops into female reproductive tract
false
Sperm is produced in the epididymis
false
Eggs are stored in the epididymis
false
Sustanticular cells are also called Leydig cells
false
Interstitial cells produce inhibin
false
Sustanticular cells have receptors for FSH
true
Leydig cells have receptors for LH
true
Cremaster muscle contract at high temperatures
false
The dartos muscle contract when exposed to cold temperatures
true
Sperm is transported through the rete testes to the epididymis
true
The midpiece of a sperm cell contains mitochondria
true