ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
Which of the following is an effect of gastric secretions on digestion?
Correct Answer: D
Rationale: Gastric secretions include pepsin, which breaks proteins into peptides, making D correct.
Question 2 of 5
The presence of large numbers of mitochondria in the cells lining the small intestine allows it to
Correct Answer: C
Rationale: Mitochondria provide energy for active glucose absorption, making C correct.
Question 3 of 5
Peristalsis may refer to the
Correct Answer: D
Rationale: Peristalsis is the rhythmic contraction moving food through the esophagus, making D correct.
Question 4 of 5
Where does the chemical digestion of protein occur?
Correct Answer: B
Rationale: Protein digestion occurs in the stomach (pepsin) and small intestine (trypsin), making B correct.
Question 5 of 5
Bile is a secretion which aids in the digestion of
Correct Answer: A
Rationale: Bile emulsifies lipids (fats), aiding their digestion by lipases, making A the correct answer.