ATI LPN
Gastrointestinal System Quiz Questions Questions
Question 1 of 5
Blood glucose levels are lowered by insulin because it stimulates
Correct Answer: B
Rationale: Insulin promotes glucose uptake by cells, lowering blood levels, making B correct.
Question 2 of 5
What two structures produce chemicals that digest proteins?
Correct Answer: C
Rationale: Gastric glands (pepsin) and pancreas (trypsin) digest proteins, making C correct.
Question 3 of 5
Which of the following is not a component of pancreatic juice?
Correct Answer: C
Rationale: Pancreatic juice contains enzymes and bicarbonate, not HCl (stomach), making C correct.
Question 4 of 5
Which of the following results from the increased secretions by the gastric glands?
Correct Answer: B
Rationale: Gastric secretions (HCl, pepsin) increase protein hydrolysis in the stomach, making B correct.
Question 5 of 5
In humans, structures that release digestive secretions directly into the small intestine include both the
Correct Answer: D
Rationale: The pancreas and gallbladder release enzymes and bile directly into the small intestine via ducts, making D the correct answer.