Question

The secretion of adrenal gland is known as

• A. Thyroxin
• B. Adrenalin
• C. Calcitonin
• D. None of these

Answer 1

The correct option is B Adrenalin

• Adrenaline is a hormone secreted by the adrenal gland during stress.
• Adrenaline is called an emergency hormone because it initiates quick action which makes the individual to think and respond quickly to the stress.
• Adrenaline hormone increases metabolic rate and causes dilation of blood vessels going to the heart and the brain. The blood vessels reaching skin and kidneys constrict in order to provide more blood to the heart and the brain. they also increase fat metabolism thereby synthesizing more energy.
• Hence the secretion of the adrenal gland is known as adrenalin.
• So, the correct answer is 'Adrenalin'.