ATI LPN
Gastrointestinal System Quiz Questions Questions
Question 1 of 5
A patient has developed a duodenal ulcer. As the nurse, you know that which of the following plays a role in peptic ulcer formation. Select ONE that does not apply:
Correct Answer: A
Rationale: Helicobacter pylori causes mucosal damage, NSAIDs reduce protective prostaglandins, and Zollinger-Ellison Syndrome increases acid via gastrin. Spicy foods and milk are not direct causes, making B, C, E correct.
Question 2 of 5
A gastric ulcer is most often localised on which part of the stomach?
Correct Answer: C
Rationale: Gastric ulcers commonly occur on the lesser curvature due to acid exposure, making C correct.
Question 3 of 5
The epithelium lining the entire GI tract is:
Correct Answer: D
Rationale: The GI tract epithelium varies: stratified squamous in the esophagus and anus for protection, simple columnar in the stomach and intestines for secretion/absorption.
Question 4 of 5
For an organ embedded within the body wall, the tissue which forms the deepest layer (i.e., farthest from the inner core or lumen of the organ) is called the:
Correct Answer: D
Rationale: The adventitia, a connective tissue layer, anchors organs like the esophagus to surrounding structures.
Question 5 of 5
Lymphocytes proliferate in relatively permanent sites in connective tissue which contain germinal centers surrounded by dense concentrations of incoming and outgoing cells. These sites are called:
Correct Answer: D
Rationale: Lymph nodules are sites of lymphocyte proliferation within mucosa, distinct from lymph nodes.