ATI LPN
Gastrointestinal System Nursing Exam Questions Questions
Question 1 of 9
Protein digestion starts in the
Correct Answer: B
Rationale: Protein digestion begins in the stomach with pepsin, activated from pepsinogen by hydrochloric acid.
Question 2 of 9
What is the role of hydrochloric acid in digestion?
Correct Answer: B
Rationale: HCl activates pepsinogen to pepsin for protein digestion, making B correct.
Question 3 of 9
A patient with a history of PUD and a previous perforated ulcer is being evaluated for surgery. What preoperative assessment finding would be most concerning?
Correct Answer: B
Rationale: A positive fecal occult blood test suggests ongoing bleeding, a serious concern pre-surgery.
Question 4 of 9
Macrophages in the spleen and Kupffer cells in the liver perform which of the following functions?
Correct Answer: D
Rationale: Kupffer cells break down hemoglobin from old RBCs.
Question 5 of 9
The portion of the small intestine that attaches to the large intestine is the
Correct Answer: B
Rationale: The ileum joins the cecum.
Question 6 of 9
An example of absorption is the
Correct Answer: B
Rationale: Absorption involves nutrient uptake, such as glucose entering villi via active transport, making B correct; the others describe movement, digestion, or hormone release.
Question 7 of 9
Which process is represented by the diagram below? Fat Gributes Fat Droplets
Correct Answer: A
Rationale: The diagram shows fat breaking into droplets, which is emulsification by bile, making A the correct answer.
Question 8 of 9
Protein digestion starts in the
Correct Answer: B
Rationale: Protein digestion begins in the stomach with pepsin, activated from pepsinogen by hydrochloric acid.
Question 9 of 9
Protein digestion starts in the
Correct Answer: B
Rationale: Protein digestion begins in the stomach with pepsin, activated from pepsinogen by hydrochloric acid.