ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
Our food mainly contains-
Correct Answer: A
Rationale: Carbohydrates are the primary component of most diets.
Question 2 of 5
If for some reason the parietal cells of the gut epithelium become partially nonfunctional, what is likely to happen?
Correct Answer: C
Rationale: Parietal cells secrete HCl; if nonfunctional, the stomach pH rises, reducing pepsin's protein digestion efficiency.
Question 3 of 5
Kupffer's cells are found in ______________.
Correct Answer: A
Rationale: Kupffer cells are specialized macrophages located in the liver, where they play a role in filtering blood and immune response.
Question 4 of 5
Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?
Correct Answer: B
Rationale: Secretin and cholecystokinin stimulate the pancreas to release pancreatic juice and bicarbonate.
Question 5 of 5
Which nerve is primarily responsible for the neural control of the gastric phase, including the stimulation of gastric secretions?
Correct Answer: B
Rationale: The vagus nerve (cranial nerve X) is the primary nerve responsible for parasympathetic control of the stomach, stimulating gastric secretions and motility during the gastric phase.