ATI LPN
NCLEX Questions on Gastrointestinal System Questions
Question 1 of 5
Choose the best description of the esophagus.
Correct Answer: A
Rationale: The esophagus has nonkeratinized epithelium for protection, with mucous glands in the submucosa.
Question 2 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 3 of 5
Esophageal glands are located:
Correct Answer: B
Rationale: Esophageal glands are in the submucosa, secreting mucus.
Question 4 of 5
The length of microvilli is about:
Correct Answer: D
Rationale: Microvilli are 1-2 microns long, increasing surface area.
Question 5 of 5
Cells which secrete pepsinogen into the stomach are called:
Correct Answer: B
Rationale: Chief cells secrete pepsinogen, a precursor to pepsin.