ATI LPN
NCLEX Questions on Gastrointestinal System Questions
Question 1 of 5
The presence of large numbers of mitochondria in the tubule cells of nephrons suggests that the transport of materials into and out of tubule cells requires
Correct Answer: C
Rationale: Mitochondria provide energy for active transport in tubules, making C the correct answer.
Question 2 of 5
A patient with a duodenal ulcer typically experiences pain that is:
Correct Answer: B
Rationale: Duodenal ulcer pain is typically relieved by food due to buffering acid, making B correct.
Question 3 of 5
The connective tissue layer of a mucous membrane is named:
Correct Answer: D
Rationale: The lamina propria is the connective tissue layer directly beneath the epithelium in a mucous membrane, distinct from the submucosa which lies deeper.
Question 4 of 5
In most regions of the GI tract (exceptions are oral cavity and stomach), smooth muscle fibers of the muscularis are arranged into:
Correct Answer: A
Rationale: The muscularis externa typically has an inner circular and outer longitudinal layer for peristalsis.
Question 5 of 5
Tonsils occur in each of the following sites EXCEPT:
Correct Answer: D
Rationale: Tonsils are found in the palate (palatine), pharynx (pharyngeal), and tongue (lingual), but not the esophagus.