ATI LPN
NCLEX Questions on Gastrointestinal System Questions
Question 1 of 5
In which of the following regions of the GI tract does the mucosa most closely resemble that of the colon, but with more lymphoid tissue?
Correct Answer: D
Rationale: The appendix resembles the colon but has more lymphoid tissue.
Question 2 of 5
The length of microvilli is about:
Correct Answer: D
Rationale: Microvilli are 1-2 microns long, increasing surface area.
Question 3 of 5
Cells which secrete pepsinogen into the stomach are called:
Correct Answer: B
Rationale: Chief cells secrete pepsinogen, a precursor to pepsin.
Question 4 of 5
The principal function for cells lining the sides of intestinal crypts of Lieberkühn is:
Correct Answer: D
Rationale: Crypt cells include stem cells that regenerate the epithelium.
Question 5 of 5
Absorptive epithelial cells of the small intestine (enterocytes) are characterized by:
Correct Answer: D
Rationale: All features enhance nutrient absorption.