ATI RN
20 Questions About The Digestive System With Answers Questions
Question 1 of 5
What is the name of the cells that secrete hydrochloric acid into the stomach?
Correct Answer: C
Rationale: Parietal cells secrete hydrochloric acid (HCl) into the stomach to aid in digestion. Gastric pits are structures, not cells; chief cells secrete pepsinogen; enteroendocrine cells release hormones.
Question 2 of 5
Where are the baroreceptors (measure blood pressure)?
Correct Answer: D
Rationale: Baroreceptors in the aortic arch and carotid sinus detect blood pressure changes.
Question 3 of 5
If the kidney is damaged it may result in reduced erythrocytes. Why?
Correct Answer: A
Rationale: Kidney damage reduces erythropoietin, a hormone that stimulates red blood cell production.
Question 4 of 5
Which tubules are the effectors for ADH?
Correct Answer: A
Rationale: ADH acts on the distal convoluted tubule and collecting duct to increase water reabsorption.
Question 5 of 5
The muscle that controls the entry of material into the small intestine from the stomach is the ____________________________ sphincter.
Correct Answer: C
Rationale: The pyloric sphincter regulates the passage of chyme from the stomach into the small intestine.