BIOS 256 - Week 2 - Lower GI Exam with Complete
Solutions
Which of the following is considered a function of the liver?
-Formation of bile
-Balance the chemical make-up of the blood
-Oxygenate blood
-Mount an immune response against a foreign invader
-Detoxify the blood Correct Ans--Formation of bile
-Balance the chemical make-up of the blood
-Detoxify the blood
True or False? The sphincter that regulates the flow of bile and pancreatic enzymes into the
ileum of the small intestine is the Sphincter of Oddi. Correct Ans-False
Describe the composition of gastric juices. Correct Ans-Gastric lipase and pepsin
, BIOS 256 - Week 2 - Lower GI Exam with Complete
Solutions
What cells secrete gastric lipase and pepsin? Correct Ans-Chief cells in the stomach
What does pepsin break down? (Substrate) Correct Ans-Proteins
What is the product of pepsin? Correct Ans-Peptides
What does gastric lipase break down? (Substrate) Correct Ans-Triglycerides
What is the product of gastric lipase? Correct Ans-monoglycerides and fatty acids
What are the phases of digestion? Correct Ans-1. cephalic phase
2. gastric phase
3. intestinal phase
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