ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
A branch of the nerve regulating the secretions of the stomach can be cut surgically. The decrease in hydrochloric acid secretion that would result from this procedure would be most helpful to an individual with
Correct Answer: D
Rationale: Reducing HCl helps heal ulcers by decreasing acid irritation, making D the correct answer.
Question 2 of 5
Which process takes place in region A?
Correct Answer: B
Rationale: Region A (glomerulus) filters blood plasma, making B the correct answer.
Question 3 of 5
The physician orders a patient with a duodenal ulcer to take a UREA breath test. Which lab value will the test measure to determine if h. pylori is present?
Correct Answer: D
Rationale: The urea breath test measures carbon dioxide (CO2) produced when H. pylori's urease breaks down ingested urea, making D correct.
Question 4 of 5
What is the most common cause of peptic ulcer disease?
Correct Answer: C
Rationale: Helicobacter pylori is the most common cause of peptic ulcers, damaging the mucosal barrier, making C correct.
Question 5 of 5
The term mucosa (mucous membrane) means:
Correct Answer: D
Rationale: Mucosa refers to the moist lining of hollow organs open to the exterior, such as the GI tract, respiratory tract, etc., encompassing all these features broadly.