ATI LPN
NCLEX Questions Gastrointestinal System Questions
Question 1 of 5
Taenia coli are:
Correct Answer: A
Rationale: Rationale: A: Taenia coli are discrete bands of longitudinal muscle along the large intestine, aiding in the formation of haustra. This is correct as they are unique anatomical structures. B: Crypts or mucosal glands are not Taenia coli. C: Submucosal glands are not Taenia coli. D: Compact regions of lymphoid tissue are not Taenia coli. In summary, the correct answer is A because Taenia coli specifically refer to longitudinal muscle bands in the large intestine, distinguishing them from the other structures mentioned in the choices.
Question 2 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 3 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 4 of 5
The length of intestinal villi is about:
Correct Answer: B
Rationale: Villi are approximately 0.5-1 mm long, enhancing absorption.
Question 5 of 5
Cells which secrete HCl into the stomach are called:
Correct Answer: C
Rationale: Parietal cells secrete hydrochloric acid.