ATI RN
Digestive System Mcq Questions Questions
Question 1 of 5
In the buccal cavity of human being, digestion of which one of the following get started?
Correct Answer: C
Rationale: The digestion of carbohydrates begins in the buccal cavity due to the action of salivary amylase, which breaks down starches into simpler sugars.
Question 2 of 5
What are the substrate and end-products of digestion by the enzyme lipase?
Correct Answer: A
Rationale: Lipase hydrolyzes triglycerides into their component fatty acids and glycerol.
Question 3 of 5
In which order do these events occur in human nutrition?
Correct Answer: C
Rationale: Food is first ingested, then digested, absorbed into the bloodstream, and finally assimilated into cells.
Question 4 of 5
Which structure helps to prevent a bolus of food from entering the trachea during deglutition (swallowing)?
Correct Answer: D
Rationale: The epiglottis is a flap of cartilage that covers the trachea during swallowing, preventing food from entering the airway.
Question 5 of 5
The primary site for absorption of water by the digestive system is the:
Correct Answer: B
Rationale: The colon (large intestine) is the primary site for water absorption, consolidating waste into feces.