ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
Match: Villi
Correct Answer: A
Rationale: Villi are finger-like projections in the small intestine that increase surface area for efficient nutrient absorption.
Question 2 of 5
Bile Juice is formed in the
Correct Answer: C
Rationale: The liver is the largest gland in the body and mainly secretes 'Bile Juice' which is stored in the gall bladder. Bile juice is released into the small intestine to aid in fat digestion.
Question 3 of 5
The small intestine of a person contains a lower concentration of glucose than is present in the blood. The cells of the villi absorb glucose. By which process is the glucose absorbed?
Correct Answer: A
Rationale: Glucose absorption in the small intestine occurs through active transport, particularly when the concentration of glucose is higher in the blood than in the intestine. This requires energy to move glucose against its concentration gradient.
Question 4 of 5
What are the substrate and end-products of digestion by the enzyme lipase?
Correct Answer: A
Rationale: Lipase acts on triglycerides, breaking them down into fatty acids and glycerol.
Question 5 of 5
In which regions of the alimentary canal does amylase act?
Correct Answer: A
Rationale: Amylase acts in the mouth cavity and is also secreted by the pancreas into the duodenum.