ATI RN
Digestive System Exam Questions Questions
Question 1 of 5
Saliva contains two enzymes. What are they?
Correct Answer: B
Rationale: Saliva contains salivary amylase (ptyalin) for starch digestion and lysozyme for antibacterial action. Pepsin is in the stomach, lipase is mainly pancreatic, and renin is unrelated to saliva.
Question 2 of 5
The pancreas makes the following hormones:
Correct Answer: B
Rationale: The pancreas produces insulin and glucagon to regulate blood sugar.
Question 3 of 5
The nephron is surrounded by capillaries. What is their name?
Correct Answer: C
Rationale: Peritubular capillaries surround the nephron, facilitating reabsorption and secretion.
Question 4 of 5
Where in the nephron is most of the glucose reabsorbed back into the blood?
Correct Answer: A
Rationale: Most glucose is reabsorbed in the proximal convoluted tubule via active transport.
Question 5 of 5
The nutrient that is needed in small amounts that helps to regulate body processes and perform chemical reactions is
Correct Answer: A
Rationale: Vitamins are required in small amounts to regulate body processes and support various chemical reactions in the body.