ATI LPN
Questions About Gastrointestinal System Questions
Question 1 of 5
Select all the medications a physician may order to treat a H. Pylori infection that is causing a peptic ulcer?
Correct Answer: A
Rationale: PPIs , antibiotics , H2 blockers , and bismuth subsalicylates treat H. pylori; antacids relieve symptoms, anticholinergics and 5-ASA are unrelated, making A, E, F, G correct.
Question 2 of 5
Along most of the GI tract (except for the oral cavity and lower anal canal), the basal boundary of the mucosa is marked by:
Correct Answer: A
Rationale: The muscularis mucosae, a thin smooth muscle layer, separates the mucosa from the submucosa in most of the GI tract.
Question 3 of 5
Adventitia consists of:
Correct Answer: C
Rationale: Adventitia is primarily ordinary connective tissue, lacking epithelium or specialized muscle.
Question 4 of 5
The germinal centers of lymph nodules function as sites where:
Correct Answer: D
Rationale: Germinal centers are where B lymphocytes proliferate in response to antigens.
Question 5 of 5
Microscopic finger-like projections of the intestinal mucosa are called intestinal:
Correct Answer: C
Rationale: Villi are finger-like projections increasing absorption surface area.