Question

Which hormone regulates calcium levels in blood ?

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

Answer 1

The correct option is D

Parathormone

The correct option is (D):

Explanation of the correct option:

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.

Explanation of the incorrect options:

Option (A):

1. The pancreas is a heterocrine gland that works as both an endocrine gland and exocrine gland.
2. The endocrine part of the pancreas is responsible for releasing the hormone glucagon.
3. This hormone is associated with increasing the blood glucose level of blood.

Option (B):

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

Final answer:

Parathormone regulates calcium levels in blood