Cholecystokinin, one of the hormones of digestive tract:

Question

Cholecystokinin, one of the hormones of digestive tract:

I) Stimulates release of trypsin

II) Inhibits release of pepsin

III) Stimulates release of lipase

Which of the above statements are correct?

1. A. I, II, and III
2. B. I and II
3. C. II and III
4. D. I and III (Correct answer)

Correct Answer

Option D — I and III

Detailed Solution & Explanation

The correct answer is I and III.

Key Points

• CCK (Cholecystokinin) stimulates the pancreas to release digestive enzymes including trypsin (I - correct) and lipase (III - correct).
• CCK does NOT inhibit pepsin secretion (II - incorrect).
• Pepsin secretion is regulated by gastrin.