ATI RN
20 Questions About The Digestive System With Answers Questions
Question 1 of 5
The muscle that controls the entry of material into the small intestine from the stomach is the ____________________________ sphincter.
Correct Answer: C
Rationale: The pyloric sphincter regulates the passage of chyme from the stomach into the small intestine.
Question 2 of 5
Match: Protein
Correct Answer: A
Rationale: Proteins are macromolecules composed of amino acids, essential for building and repairing body tissues.
Question 3 of 5
Which of the given enzymes is responsible for the digestion of milk protein?
Correct Answer: D
Rationale: Rennin is responsible for the digestion of milk protein. Rennin is present in the human body in its inactive form called prorenin. When we consume milk, it reacts with the hydrochloric acid present in the stomach. Hydrochloric acid activates the inert prorenin and converts it into active Rennin.
Question 4 of 5
Dietary fibres are very much required in our daily food, so as to?
Correct Answer: C
Rationale: Dietary fiber aids in digestion by adding bulk to stool and helping the body eliminate undigested food, promoting regular bowel movements.
Question 5 of 5
Four test tubes, each containing 2cm3 of amylase solution are treated as follows: 1 boiled, then cooled to 1 °C 2 boiled, then cooled to 25 °C 3 frozen, then warmed to 1 °C 4 frozen, then warmed to 25 °C 10 cm3 of starch solution were then added to each tube and after 5 minutes, 2 drops of iodine solution were added to each tube. Which row shows the results?
Correct Answer: A
Rationale: Boiling denatures the enzyme permanently, while freezing does not affect its activity once thawed.