ATI LPN
NCLEX Questions on Gastrointestinal System Questions
Question 1 of 5
The diagram below represents a process that occurs in organisms. A Broken down to B. Which row in the chart indicates what A and B in the boxes could represent?
Correct Answer: C
Rationale: Proteins are broken down into amino acids during digestion, as enzymes like pepsin and trypsin hydrolyze peptide bonds. Starch breaks into sugars (not amino acids), and proteins don't yield sugars.
Question 2 of 5
What is a function of the secretions produced by structure X?
Correct Answer: A
Rationale: Structure X is likely the liver or gallbladder (based on typical diagrams), secreting bile to emulsify fats, increasing their surface area for digestion, making A correct.
Question 3 of 5
Trypsin functions best in which of the following conditions?
Correct Answer: A
Rationale: Trypsin, a pancreatic enzyme, works optimally in the basic pH of the small intestine, making A correct.
Question 4 of 5
Where is glycogen stored?
Correct Answer: C
Rationale: Glycogen is stored in the liver, making C correct.
Question 5 of 5
What is the source of maltose during digestion?
Correct Answer: D
Rationale: Maltose is produced from carbohydrate (starch) digestion by amylase, making D correct.