ATI LPN
NCLEX Questions Gastrointestinal System Questions
Question 1 of 5
Taste buds occur most commonly:
Correct Answer: B
Rationale: Taste buds are primarily on fungiform and circumvallate papillae, not filiform.
Question 2 of 5
Which of the following regions of the GI tract is not characterized by simple columnar epithelium on the mucosal surface?
Correct Answer: D
Rationale: The anal canal has stratified squamous epithelium, unlike the others with simple columnar.
Question 3 of 5
Which of the following regions of the GI tract is characterized by a thick mucosa densely packed with tubular glands containing a variety of cell types?
Correct Answer: B
Rationale: The stomach has thick mucosa with diverse glandular cells (parietal, chief, etc.).
Question 4 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 5 of 5
The length of intestinal villi is about:
Correct Answer: B
Rationale: Villi are approximately 0.5-1 mm long, enhancing absorption.