How many baby teeth will a child have by 2 years of age?
A) 12
B) 20
C) 28
D) 32
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Question 2) Placing pressure on a cut will constrict blood vessels manually, and encourages ________.
A) platelet plug formation
B) agglutination
C) the conversion of fibrinogen to fibrin
D) coagulation
E) vascular spasms
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Question 3) Which sphincter operates under voluntary control?
A) cardioesophageal sphincter
B) internal anal sphincter
C) pyloric sphincter
D) external anal sphincter
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Question 4) What enzyme joins soluble fibrinogen proteins into long molecules of fibrin during coagulation?
A) PF3
B) thrombin
C) tissue factor
D) prothrombin
E) calcium
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Question 5) What are the collections of lymphatic tissue found in the submucosa of the small intestine?
A) parietal cells
B) Peyer's patches
C) villi
D) enteroendocrine cells
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Question 6) An immature RBC which still contains some endoplasmic reticulum is called a(n) ________.
A) megakaryocyte
B) hemocytoblast
C) reticulocyte
D) agranulocyte
E) granulocyte
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Question 7) Deep folds of both the mucosa and submucosa in the small intestine that increase surface are known as ________.
A) circular folds (plicae circulares)
B) microvilli
C) haustra
D) villi
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Question 8) The average functional lifespan of an RBC is ________.
A) 20-30 days
B) 50-75 days
C) 100-120 days
D) one year
E) the body's lifetime
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Question 9) Bile is formed by the ________ and stored in the ________.
A) spleen; liver
B) liver; gallbladder
C) gallbladder; liver
D) pancreas; gallbladder
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Question 10) What stem cell gives rise to all formed elements?
A) lymphoid stem cell
B) megakaryocyte
C) hemocytoblast
D) myeloid stem cell
E) reticulocyte
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