ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
In a demonstration, 10 grams of raw meat were suspended in an enzyme solution. After several hours the meat was weighed and was found to have a mass of 3 grams. The solution most likely contained
Correct Answer: B
Rationale: Pepsin, a protease, breaks down proteins in meat, reducing its mass, making B correct; bile emulsifies, maltose is a sugar, and amylase digests starch.
Question 2 of 5
Which hormone stimulates the release of pancreatic juice?
Correct Answer: C
Rationale: Secretin triggers pancreatic juice release to neutralize chyme, making C correct.
Question 3 of 5
What would result if insulin was injected into a healthy person?
Correct Answer: C
Rationale: Insulin increases glucose uptake into cells, lowering blood sugar, making C correct.
Question 4 of 5
What substance is digested by secretions released by both the salivary glands and the pancreas?
Correct Answer: B
Rationale: Salivary glands and pancreas both secrete amylase to digest starch, making B correct.
Question 5 of 5
Into which parts of the human digestive system are digestive enzymes secreted?
Correct Answer: C
Rationale: Digestive enzymes are secreted in the mouth (salivary amylase), stomach (pepsin), and small intestine (pancreatic enzymes), making C the correct answer.