ATI RN
Digestive System Practice Questions Questions
Question 1 of 5
Which of the following enzyme is secreted by pancreas -
Correct Answer: B
Rationale: Trypsin, a proteolytic enzyme, is secreted by the pancreas.
Question 2 of 5
Which substance destroy the harmful bacteria in stomach?
Correct Answer: C
Rationale: HCl in the stomach kills harmful bacteria ingested with food.
Question 3 of 5
Absorption of digested food chiefly occurs in-
Correct Answer: C
Rationale: The small intestine is the main site for nutrient absorption.
Question 4 of 5
Enzyme maltase in human gut acts on food at a pH of -
Correct Answer: C
Rationale: Maltase works in the small intestine (pH > 7) to convert maltose into glucose.
Question 5 of 5
Substances which are not related with hepatic portal circulation :-
Correct Answer: B
Rationale: Fatty acids are absorbed into lacteals and enter the lymphatic system, not the hepatic portal vein.