ATI LPN
ATI LPN Test Bank
Gastrointestinal System Questions and Answers Questions
Question 1 of 5
What type of cell releases glucagon?
Correct Answer: B
Rationale: Alpha cells in the pancreas release glucagon.
Question 2 of 5
Which phase of deglutition involves contraction of the longitudinal muscle layer of the muscularis?
Correct Answer: D
Rationale: The esophageal phase involves longitudinal muscle for peristalsis.
Question 3 of 5
Pancreatic juice ________.
Correct Answer: C
Rationale: Pancreatic juice neutralizes acidic chyme.
Question 4 of 5
Each of the following organs is a component of the digestive tract except one. Identify the exception.
Correct Answer: A
Rationale: The spleen is not part of the digestive tract.
Question 5 of 5
Teeth are similar to bone and contain a mineralized matrix called
Correct Answer: C
Rationale: Dentin is the mineralized matrix beneath enamel.