L20: GI TRACT

Question 1

People who have severe ulcerative colitis (inflammation of the colon) sometimes need to have all or part of their colon removed. These individuals might be more susceptible to which of the following?

a. inadequate protein digestion
b. dehydration
c. low blood glucose levels
d. enhanced acid secretion

Answer 1

b. dehydration, would lack the ability to absorb water in colon and would be more likely to have diarrhea which causes water loss and dehydration.

All the other options happens before large intestine

Question 2

In which blood vessel would you expect of observe the highest concentration of glucose following a meal?

a. hepatic artery
b. hepatic vein
c. hepatic portal vein
d. all would have the same concentration

Answer 2

C. hepatic portal vein, blood carrier nutrients to liver, more glucose coming to liver after meal

Question 3

Which of the following is NOT released into the lumen of the stomach?
A) HCl
B) pepsinogen
C) gastrin
D) mucous

Answer 3

C