Question

Which hormone stimulates the stomach to secrete gastric juice?

• A. Gastrin
• B. Parathormone
• C. Thyroxine
• D. Insulin

Answer 1

The correct option is A

Gastrin

The correct option is (A):

Explanation of the correct option:

1. Gastrin is a hormone that is secreted into the bloodstream by the stomach wall in response to the presence of food.
2. It stimulates the secretion of gastric juice for the process of digestion to take place.
3. Digestion can be defined as the breakdown of complex food into simpler absorbable forms.

Explanation of the incorrect options:

Option (B):

1. Parathyroid glands are small ductless glands present on the backside of the thyroid gland.
2. It is four in number.
3. A hormone called the parathyroid hormone (parathormone) is released by this gland which helps in maintaining the levels of calcium in the blood.

Option (C):

1. The thyroid glands are responsible for the production of a hormone called thyroxine.
2. Iodine plays an important role in the production of thyroxine.
3. This hormone stimulates the proper functioning of the thyroid glands.

Option (D):

1. Insulin is a hormone secreted by the endocrine part of the pancreas.
2. This hormone is associated with lowering the blood glucose level of blood.

Final answer:

Gastrin stimulates the stomach to secrete gastric juice.