ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
Which of the following drugs is an antacid?
Correct Answer: D
Rationale: Magnesium Hydroxide neutralizes stomach acid.
Question 2 of 5
Which of the following stimuli activates sensors in the walls of digestive organs?
Correct Answer: D
Rationale: All stimuli trigger GI reflexes.
Question 3 of 5
In which part of the alimentary canal does most digestion occur?
Correct Answer: B
Rationale: The duodenum (proximal small intestine) is the primary digestion site.
Question 4 of 5
Which of the following is not an accessory organ
Correct Answer: C
Rationale: The esophagus is part of the GI tract, not an accessory organ.
Question 5 of 5
Contraction of the __________ layer of the intestinal wall functions to change the shape of the intestinal lumen and moves food through its length.
Correct Answer: D
Rationale: The muscularis drives peristalsis.