ATI LPN
NCLEX Questions Gastrointestinal System Questions
Question 1 of 5
The parotid gland and the pancreas are both compound acinar glands, served by a branching duct system. Morphological differences between parotid and pancreas include which of the following?
Correct Answer: D
Rationale: All listed features distinguish the pancreas (endocrine islets, centroacinar cells) from the parotid (adipocytes).
Question 2 of 5
Cells which secrete HCl into the stomach are called:
Correct Answer: C
Rationale: Parietal cells secrete hydrochloric acid.
Question 3 of 5
The principal function for intestinal enteroendocrine cells is:
Correct Answer: B
Rationale: Enteroendocrine cells secrete hormones like CCK and secretin.
Question 4 of 5
The mucosal surface of the stomach is protected from digestion by:
Correct Answer: B
Rationale: Surface mucous cells secrete a protective mucus barrier.
Question 5 of 5
The structural unit of liver tissue, centered around a central vein with branches of the hepatic artery, portal vein and bile duct at the corners, is called a:
Correct Answer: C
Rationale: The hepatic lobule is the structural unit centered on a central vein.