ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
Emulsification of fats in the small intestines is due to the action of bile, which is released into the intestine from the
Correct Answer: B
Rationale: The gallbladder stores and releases bile into the small intestine for fat emulsification, making B the correct answer.
Question 2 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 3 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 4 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 5 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.