What organs release secretions into the duodenum of the small intestine?
A) pancreas, gallbladder and spleen
B) appendix and Peyer's patches
C) liver, gallbladder and pancreas
D) cecum and appendix
E) spleen, gallbladder and liver
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Question 2) Erythropoietin is released to stimulate platelet production in response to inadequate amounts of oxygen in the blood.
Indicate whether the statement is true or false
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Question 3) The small intestine extends from the ________.
A) cardioesophgeal sphincter to the pyloric sphincter (valve)
B) pyloric sphincter (valve) to the ileocecal valve
C) ileocecal valve to the appendix
D) appendix to the sigmoid colon
E) gastroesophageal (cardiac) sphincter to ileocecal valve
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Question 4) The life span of a red blood cell is 100 to 120 days.
Indicate whether the statement is true or false
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Question 5) Which of the following features is NOT characteristic of the small intestine?
A) Peyer's patches
B) rugae
C) villi
D) circular folds (plicae circulares)
E) lacteals
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Question 6) All formed elements arise from a common type of stem cell called a hemocytoblast.
Indicate whether the statement is true or false
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Question 7) Hydrochloric acid is necessary in the stomach for the conversion of pepsinogen to ________.
A) acid
B) rennin
C) pepsin
D) rugae
E) gastrin
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Question 8) Both platelets and erythrocytes are anucleate.
Indicate whether the statement is true or false
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Question 9) What do the enteroendocrine cells of the stomach produce?
A) pepsin
B) hydrochloric acid
C) intrinsic factor
D) gastrin
E) gastric juice
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Question 10) Megakaryocytes are classified as agranulocytes since they lack visible granules in the cytoplasm.
Indicate whether the statement is true or false
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