ATI LPN
Gastrointestinal System Questions and Answers Questions
Question 1 of 5
A patient with PUD presents with signs of dehydration, including dry mucous membranes and hypotension. The nurse should anticipate which intervention?
Correct Answer: A
Rationale: IV fluids are needed to correct dehydration and stabilize blood pressure.
Question 2 of 5
In humans, structures that release digestive secretions directly into the small intestine include both the
Correct Answer: D
Rationale: The pancreas releases digestive enzymes and the gall bladder releases bile directly into the small intestine via ducts to aid digestion. Salivary glands (A, C) secrete into the mouth, not the small intestine. Lacteals absorb fats, not secrete. Villi are absorptive structures, not secretory.
Question 3 of 5
The enzyme pepsin is produced in the cells of the stomach but not in the cells of the small intestine. The small intestine produces a different enzyme, trypsin. The reason that the stomach and small intestine produce different enzymes is that the gene that codes for pepsin is
Correct Answer: B
Rationale: All cells have the same genes, but pepsin's gene is expressed (active) in stomach cells, not small intestine cells, due to tissue-specific regulation. It's not absent , mutated , or digested .
Question 4 of 5
Where does the partly-digested food (in liquid form) go after it leaves the stomach?
Correct Answer: C
Rationale: Partly-digested food (chyme) moves from the stomach to the small intestine for further digestion and absorption, making C correct. The gullet is before the stomach, the appendix is a side structure, and the large intestine follows the small intestine.
Question 5 of 5
The appendix is attached to which of the following structures?
Correct Answer: A
Rationale: The appendix is attached to the cecum, part of the colon, making A correct.