Question

Feeling the 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. Thyroxin

Answer 1

Hint: We know that there are different kinds of systems which keep our body in coordination. The endocrine and exocrine systems are one of these coordination systems. Exocrine systems reveal its secretion directly towards the target organ with help of different ducts. However, endocrine glands are the glands that secrete hormones into the blood. The secretions reach the target organs with the help of the blood. These are generally ductless glands.

Complete answer:
The epinephrine is the other name of Adrenaline hormone. The adrenal medulla is the one that produces this hormone. Emergency reactions like fight and flight are covered by the body with the help of this hormone.

It is the reason that the people normally have an increase in breathing rate, blood pressure, the glucose level in the blood, heart rate, peripheral circulation, etc.

Normally the blood sugar level is increased by Glucagon. It is secreted by the alpha cells which are situated in the pancreas
The mucosa of the stomach is stimulated by Gastrin and produces hydrochloric acid

The thyroid glands are the one which secretes the hormone Thyroxine, it is involved in the metabolic rate of the body.

Hence, the correct answer is option (A).

Note: Adrenaline, also known as epinephrine, is a neurotransmitter, medication, and hormone for a living being. Normally, this hormone is produced by both the adrenal glands and certain neurons. Since it plays a major role in emergencies, it is called fight or flight hormone. This hormone controls the activities like increasing blood flow to muscles, pupil dilation response, the output of the heart, and blood sugar level. Generally, this hormone is found in many creatures and some single-cell organisms.