Question

Which hormone controls the blood pressure in emergency?

• A. Thyroxine
• B. Prolactin
• C. Insulin
• D. Adrenaline

Answer 1

The correct option is D

Adrenaline

The correct option is (D):

Explanation of the correct option:

1. Blood pressure can be defined as the pressure exerted by the flowing blood inside the blood vessels (arteries).
2. The hormone associated with an increase in blood pressure during stressful situations is called adrenaline.
3. It is also known as stress hormone or flight or fight hormone.
4. During the time of emergency the adrenaline hormone is secreted by the adrenal glands which increases the blood flow towards the brain.
5. It also works to increase heart rate, breathing rate, and increase in energy production.

Explanation of the incorrect options:

Option (A):

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 (B):

1. The hormone prolactin (PRL) is secreted by the anterior pituitary gland.
2. It is responsible for the secretion of milk from the mammary gland after giving birth.

Option (C):

1. The endocrine part of the pancreas is responsible for releasing the hormone called insulin.
2. It is responsible for lowering the blood glucose level.

Final answer:

Adrenaline controls blood pressure in an emergency.