ATI RN
Questions About The Digestive System Questions
Question 1 of 5
On average what is the normal intake of water?
Correct Answer: B
Rationale: Average daily water intake is about 2300 cm³ (2.3 liters), including food and drink.
Question 2 of 5
Match: Canines
Correct Answer: B
Rationale: Canines are pointed teeth designed for tearing food, especially meat.
Question 3 of 5
Which part of our body secrets pepsin?
Correct Answer: D
Rationale: Gastric chief cells present in our stomach secrete pepsin. It is responsible for the digestion of proteins. The stomach is responsible for the digestion of food. It secretes HCl (Hydrochloric acid) to aid digestion.
Question 4 of 5
After digestion, Protein is converted into ?
Correct Answer: D
Rationale: Proteins are broken down into amino acids during digestion, primarily by enzymes like pepsin in the stomach and trypsin in the small intestine, for absorption and use by the body.
Question 5 of 5
Each part of the alimentary canal has the optimum pH for the enzymes that digest food there. What is the optimum pH for an enzyme that works in the stomach?
Correct Answer: A
Rationale: The stomach's acidic environment (around pH 2) is optimal for the function of pepsin, which breaks down proteins.