ATI RN
Questions About Digestive System Questions
Question 1 of 5
During prolonged starvation, body derives nutrition from storage of -
Correct Answer: A
Rationale: During starvation, the body uses glycogen from the liver and fats from adipose tissue.
Question 2 of 5
The enzymes present in pancreatic juice are
Correct Answer: B
Rationale: Pancreatic juice contains amylase, lipase, trypsinogen, and procarboxypeptidase for digesting carbohydrates, fats, and proteins.
Question 3 of 5
The disease caused due to deficiency of nicotinic acid is
Correct Answer: D
Rationale: Pellagra is caused by a deficiency of niacin (nicotinic acid), leading to symptoms like dermatitis, diarrhea, and dementia.
Question 4 of 5
Which of the following combinations will lead to the highest level of acid secretion through potentiation? (Potentiation refers to a post-receptor interaction where the response obtained is greater than the sum of each individual agent acting alone.)
Correct Answer: A
Rationale: Vagal input, histamine, and gastrin all stimulate parietal cells synergistically (potentiation), maximizing acid secretion, while secretin inhibits it.
Question 5 of 5
When administered intravenously, this hormone has the capability to initiate a phase of robust sequential contractions in the proximal duodenum, which gradually moves towards the cecum:
Correct Answer: C
Rationale: Motilin triggers the migrating motor complex, initiating strong contractions from the duodenum to the cecum during fasting.