ATI LPN
Gastrointestinal System Quiz Questions Questions
Question 1 of 5
The large area of the stomach between the fundus and the J-curve, where most digestion occurs is the
Correct Answer: D
Rationale: The body is the main digestive region.
Question 2 of 5
Which of the following structures secures the small intestine to the posterior abdominal wall?
Correct Answer: D
Rationale: The mesentery proper anchors the small intestine to the posterior abdominal wall, providing support and vascular supply.
Question 3 of 5
Delaying defecation involves:
Correct Answer: D
Rationale: Delaying defecation requires voluntary constriction of the external anal sphincter to prevent stool release.
Question 4 of 5
____ produces no secretion that helps the digestion of the lipids.
Correct Answer: B
Rationale: The small intestine absorbs lipids but does not produce secretions for their digestion; this is done by the liver (bile) and pancreas (lipase).
Question 5 of 5
What is the approximate length of the entire GI tract from mouth to anus?
Correct Answer: B
Rationale: The gastrointestinal tract is approximately 30 feet (9 meters) long in adults, making B the correct answer.