ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Which nutrients can be absorbed without first being digested in the human gastrointestinal tract?
Correct Answer: D
Rationale: Vitamins and minerals are absorbed directly without digestion, unlike carbohydrates and proteins, making D the correct answer.
Question 5 of 5
If a person was unable to break down food particles into molecules that could be absorbed by the body, you would predict
Correct Answer: A
Rationale: Inability to break down food indicates a digestive system issue, making A the correct answer.