BIOS 256 - Week 2 - Lower GI Exam with Complete Solutions

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