ATI RN
20 Questions About The Digestive System With Answers Questions
Question 1 of 5
Which of the following choices leads to an elevation in stomach pH?
Correct Answer: C
Rationale: Suppression of parietal cells reduces HCl secretion, increasing stomach pH (making it less acidic).
Question 2 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 3 of 5
What is the word to describe the breaking up of large fat droplets into smaller ones?
Correct Answer: D
Rationale: Emulsification is the process of breaking large fat droplets into smaller ones, typically by bile salts, to aid digestion.
Question 4 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 5 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.