ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
Which of the following “glands†is primarily a protected site for mitotic activity rather than a tissue specialized for secretion?
Correct Answer: D
Rationale: Crypts of Lieberkühn house stem cells for epithelial renewal.
Question 2 of 5
The principal function for intestinal goblet cells is:
Correct Answer: C
Rationale: Goblet cells secrete mucus for lubrication and protection.
Question 3 of 5
Columnar cells which extend across the thickness of a stratified squamous epithelium, and which have apical microvilli and basal synaptic vesicles associated with afferent nerve endings, are characteristic of:
Correct Answer: A
Rationale: Taste bud cells detect taste and signal nerves.
Question 4 of 5
The cytoplasm of gastric parietal cells stains pink with H&E because:
Correct Answer: D
Rationale: Mitochondria stain eosinophilic (pink) due to their protein content.
Question 5 of 5
The vessel which drains venous blood from the center of each classical lobule is the:
Correct Answer: C
Rationale: The central vein collects blood from sinusoids.