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MCAT Biology Question — Pancreas Secretion
- by
- Jan 01, 2015
- MCAT Biology, MCAT Blog, MCAT Question of the Day
The pancreas secretes all of the following EXCEPT:
a) trypsinogen
b) chymotrypsinogen
c) pancreatic lipase
d) bile salts
Explanation
The pancreas’ exocrine function secretes trypsinogen, chymotrypsinogen, pancreatic lipase, pancreatic amylase, ribonuclease, deoxyribonuclease, and bicarbonate ion into the duodenum. The inactive zymogens do not autodegrade the pancrease, and are activated to trypsin and chymotrypsin in the duodenum. Bile salts are made in the liver.
a) trypsinogen, incorrect
b) chymotrypsinogen, incorrect
c) pancreatic lipase, incorrect
d) bile salts, correct.
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