ATI LPN
Questions About Gastrointestinal System Questions
Question 1 of 5
Structure X represents a
Correct Answer: C
Rationale: Structure X in skin is a sweat gland, making C the correct answer.
Question 2 of 5
You're educating a group of patients at an outpatient clinic about peptic ulcer formation. Which statement is correct about how peptic ulcers form?
Correct Answer: B
Rationale: Acid penetrating unprotected mucosa triggers histamine release, increasing HCl secretion from parietal cells, worsening erosion . Acid isn't the sole cause , pepsin doesn't signal pepsinogen release , and prostaglandins protect, not break down, the lining , making B correct.
Question 3 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 4 of 5
What is the typical first-line treatment for an H. pylori infection causing a peptic ulcer?
Correct Answer: B
Rationale: First-line H. pylori treatment includes clarithromycin, amoxicillin, and a PPI, making B correct.
Question 5 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.