ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
The above picture shows the main organ involved in
Correct Answer: A
Rationale: The kidney is the primary excretory organ, making A the correct answer.
Question 2 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 3 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 4 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.
Question 5 of 5
The submucosa differs from lamina propria by having:
Correct Answer: C
Rationale: The submucosa has larger blood vessels compared to the lymphocyte-rich lamina propria.