ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
The mucous epithelium is a component of the
Correct Answer: D
Rationale: The mucosa contains the mucous epithelium.
Question 2 of 5
The enzyme pepsin digests
Correct Answer: C
Rationale: Pepsin breaks down proteins.
Question 3 of 5
The enzyme amylase helps to digest
Correct Answer: A
Rationale: Amylase digests starches.
Question 4 of 5
What sequence of organs do substances pass through, as they move through the human digestive system?
Correct Answer: C
Rationale: The correct sequence is mouth, esophagus, stomach, small intestine, large intestine, anus. The pancreas and liver are accessory organs, not part of the direct path, making C the correct choice.
Question 5 of 5
Which layer is the myenteric plexus located in?
Correct Answer: A
Rationale: The myenteric plexus, part of the enteric nervous system, is located between the muscle layers of the muscularis, controlling GI motility.