ATI LPN
Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
A patient with a history of PUD is experiencing pain relief after starting treatment with a PPI. The patient asks if they can stop the medication now. The nurse should respond:
Correct Answer: B
Rationale: Stopping PPIs prematurely can lead to incomplete healing and recurrence.
Question 2 of 5
The end products of digestion enter the cells of a vertebrate by the process of
Correct Answer: A
Rationale: Absorption is the process by which digested nutrients (end products) are taken up by cells lining the digestive tract and enter the bloodstream or lymph for distribution to body cells. Osmosis is water movement, not nutrient uptake. Emulsification is fat breakdown, not cellular entry. Egestion is waste expulsion, not nutrient absorption.
Question 3 of 5
Three days after an organism eats some meat, many of the organic molecules originally contained in the meat would be found in newly formed molecules of
Correct Answer: B
Rationale: Meat's proteins are digested into amino acids, which are absorbed and used to synthesize new proteins in the organism's cells within days. Glucose and starch are carbohydrate-based. Oxygen is inorganic.
Question 4 of 5
What happens when food reaches the stomach?
Correct Answer: C
Rationale: In the stomach, gastric juices (acid, enzymes) mix with food, and muscles churn it into chyme, making C correct. Digestion occurs (not A), food doesn't move quickly to the intestine , and complete digestion/absorption happens later in the small intestine, not stomach .
Question 5 of 5
Enzymes required to digest the molecule represented in the diagram are produced in the
Correct Answer: D
Rationale: Assuming the diagram shows starch (common in such tests), salivary glands produce amylase to digest it, making D correct; the others do not primarily digest carbohydrates.