ATI RN
Questions About The Digestive System Questions 
            
        Question 1 of 5
Emulsification of fats by bile takes place in-
Correct Answer: A
Rationale: Bile emulsifies fats in the duodenum, the first part of the small intestine.
Question 2 of 5
Which of the following absorbed in proximal intestine?
Correct Answer: A
Rationale: Iron is absorbed in the proximal small intestine (duodenum and jejunum).
Question 3 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 4 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 5 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.
