ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
During prolonged fasting-
Correct Answer: B
Rationale: In fasting, carbohydrates (glycogen) are used first, followed by fats, and then proteins.
Question 2 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 3 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 4 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.
Question 5 of 5
Following a diagnosis of Zollinger-Ellison syndrome, a 70-year-old woman undergoes gastrectomy. Her physician informs her that she will require lifelong intramuscular vitamin B12 injections. Which specific type of cells' absence is responsible for the need for vitamin replacement?
Correct Answer: D
Rationale: Parietal cells produce intrinsic factor, necessary for vitamin B12 absorption; their absence after gastrectomy necessitates B12 injections.