Question

Feeling tremors of an earthquake a scared resident of the seventh floor of a multi-storeyed building starts climbing down the stairs rapidly. Which hormone initiated this action?
A. Adrenaline
B. Glucagon
C. Gastrin
D. Thyroxine

Answer 1

Hint: During the stress condition, the adrenal glands become active and produce a hormone to cope up with the stress. This hormone is also called the 3F hormone (Flight, Fear, and Fight hormone).

Step by step answer:Feeling tremors of an earthquake a scared resident of the seventh floor of a multi-storeyed building starts climbing down the stairs rapidly. This person is in utter stress right now. To deal with this condition of stress the fight-or-flight hormone, also known as the Adrenaline hormone, is activated. The adrenaline hormone is secreted by the Adrenal glands. The Adrenal glands are also known as the glands of emergency or the suprarenal glands. The adrenaline is also known as the epinephrine and is secreted by the adrenal medulla, which is the inner part of the adrenal gland.
The adrenaline hormone increases the heartbeat and the respiratory rate. They increase sweating, piloerection, cause alertness, and the dilation of the pupils. They increase blood sugar levels and also stimulate the breakdown of lipids and proteins. Their primary target tissues are the skeletal muscles, cardiac muscles, smooth muscles, and blood vessels.
So, the correct answer is option A.

Note: The adrenaline hormone along with the noradrenaline or norepinephrine is known as the catecholamines. As both of these hormones are released during emergency situations, hence they are known as the emergency hormones. They are also known as the 3F or the Flight, Fear, and Fight hormones. The principal action of the non-adrenaline is similar to adrenaline.