ATI RN
20 Questions About The Digestive System With Answers Questions
Question 1 of 5
Match: Peristalsis
Correct Answer: A
Rationale: Peristalsis refers to the wave-like muscular contractions that propel food along the digestive tract.
Question 2 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 3 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 4 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.
Question 5 of 5
When a person eats some egg white, protein and water enter the stomach. Which substances are found leaving the stomach and leaving the small intestine?
Correct Answer: A
Rationale: Proteins are partially digested in the stomach and converted to amino acids in the small intestine.