ATI RN
Questions About The Digestive System Questions
Question 1 of 5
Function of HCl in stomach is to-
Correct Answer: A
Rationale: HCl kills microorganisms in food, aiding in sterilization.
Question 2 of 5
Where are the Islets of Langerhans found?
Correct Answer: A
Rationale: The Islets of Langerhans are clusters of cells in the pancreas responsible for producing hormones like insulin and glucagon.
Question 3 of 5
Secretin and cholecystokinin are secreted in
Correct Answer: C
Rationale: Secretin and cholecystokinin are secreted in the duodenum to regulate pancreatic and gallbladder activity.
Question 4 of 5
A 70-year-old male patient is experiencing symptoms of constipation, bloating, and abdominal discomfort. Physical examination reveals visible distension of the abdomen, and a contrast study shows dilation of the large intestine. Which of the following motility disorders is the most probable cause of the patient's symptoms?
Correct Answer: C
Rationale: Reduced peristalsis in the large intestine slows transit, leading to constipation, bloating, and dilation, as seen in the contrast study.
Question 5 of 5
Which division of the Enteric Nervous System is most likely to be stimulated by a pH change in the chyme?
Correct Answer: A
Rationale: The submucosal plexus regulates secretions and senses luminal pH changes, responding to chyme acidity.