Question

Match the following hormones with the organ or tissue it acts on.

Column 1	Column 2
Secretin	Gastric glands
Cholecystokinin	Exocrine pancreas
Gastrin	Pancreas and gall bladder

Answer 1

A. Secretin (II)Exocrine pancreas

1. Secretin acts on the exocrine pancreas
2. It stimulates the secretion of water and bicarbonate ions.

B. Cholecystokinin (III)Pancreas and gall bladder

1. Cholecystokinin stimulates the secretion of pancreatic enzymes and bile juice.
2. Cholecystokinin is a gut hormone released after a meal, which helps digestion and reduces appetite.

C. Gastrin (I) Gastric glands

1. Gastrin is a peptide hormone.
2. Gastrin stimulates the secretion of HCl and pepsinogen from gastric glands.

	Column I		Column II
A.	Secretin	(ii)	Exocrine pancreas
B.	Cholecystokinin	(iii)	Pancreas and gall bladder
C.	Gastrin	(i)	Gastric glands