Question

The hormone responsible for fight, fright and flight response is?

• A. Adrenaline
• B. Thyroxine
• C. ADH
• D. Oxytocin

Answer 1

The correct option is A

Adrenaline

The correct option is (A).

Explanation for correct option:

1. Adrenaline is released by the adrenal glands in the body.
2. Hypothalamus sends the signal of releasing adrenaline whenever there is a situation of flight, fright, or fight.
3. Adrenaline accelerates the rate of heart along with the flow of blood in the vessels and helps in tackling emergency situations.

Explanation for incorrect options:

Option B:

Released by the thyroid gland functions primarily in digestion, metabolism, and development of the brain.

Option C:

Released by the posterior part of the pituitary gland functions to regulate the amount of water released and urine production in the kidney.

Option D:

Oxytocin is produced by the hypothalamus of the brain and it helps in instigating lactation after childbirth and uterine contraction during childbirth.

Final answer:

Adrenaline is responsible for the fight, flight, and fright responses.