ATI LPN
Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
Which symptom is most indicative of peptic ulcer disease?
Correct Answer: A
Rationale: Upper abdominal pain that improves with eating is classic for duodenal ulcers, a common type of PUD, as food neutralizes acid temporarily. Sharp pain in the lower right abdomen suggests appendicitis. Vomiting and diarrhea are nonspecific and more acute. Cough and swallowing difficulty point to esophageal or respiratory issues.
Question 2 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 3 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 4 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.
Question 5 of 5
What is a result of increased peristalsis in the duodenum?
Correct Answer: C
Rationale: Faster peristalsis reduces time for nutrient absorption, like amino acids, making C correct.