ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
The __________ teeth are used for crushing or grinding food.
Correct Answer: B
Rationale: Molars are designed for grinding.
Question 2 of 5
The enzyme amylase helps to digest
Correct Answer: A
Rationale: Amylase digests starches.
Question 3 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 4 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.
Question 5 of 5
The rhythmic contractions of the digestive tract that allow the movement of food are called:
Correct Answer: C
Rationale: Peristalsis refers to the wave-like muscle contractions that move food through the digestive tract, making C the correct answer.