ATI RN
Digestive System Practice Questions Questions
Question 1 of 5
Which of the following vitamins helps in the maturation of red blood cells?
Correct Answer: C
Rationale: Vitamin B12 is essential for the maturation of red blood cells and DNA synthesis.
Question 2 of 5
What is the main role of the hepatic portal system?
Correct Answer: D
Rationale: The hepatic portal system transports nutrient-rich blood from the GI tract to the liver for processing and detoxification before entering systemic circulation.
Question 3 of 5
If a patient is experiencing an intensified sympathetic response, listening to the bowel sounds during auscultation would most likely reveal:
Correct Answer: C
Rationale: Sympathetic activation inhibits GI motility (fight-or-flight response), reducing bowel sound rate and intensity.
Question 4 of 5
Which of the following hormones is responsible for stimulating gallbladder contraction and the release of bile into the small intestine during the intestinal phase of digestion?
Correct Answer: A
Rationale: CCK, released in response to fats in the duodenum, stimulates gallbladder contraction and bile release for fat digestion.
Question 5 of 5
Which vitamin is produced by intestinal bacteria?
Correct Answer: A
Rationale: Intestinal bacteria synthesize vitamin B12, which is absorbed in the ileum with intrinsic factor. Vitamins A, C, and D are not produced by gut bacteria.