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Which gland secretes Adrenaline?
Thyroid gland
Adrenal gland
Pineal gland
Pituitary gland
Adrenal gland
The Adrenal gland (specifically the adrenal medulla) secretes Adrenaline, also known as epinephrine. Adrenaline is often called the 'emergency hormone' or 'fight-or-flight hormone' as it prepares the body to deal with stressful or emergency situations.
The Adrenal gland (specifically the adrenal medulla) secretes Adrenaline, also known as epinephrine. Adrenaline is often called the 'emergency hormone' or 'fight-or-flight hormone' as it prepares the body to deal with stressful or emergency situations.
Adrenaline acts like an emergency turbo-boost button in a car, instantly giving you extra speed and power when you suddenly have to dodge an obstacle on the road.
Remember 'A for Adrenaline, A for Adrenal, and A for Action/Alarm!'
Epinephrine=Adrenaline тАФ Chemical name used interchangeably in medical terminology
When a person faces fear, stress, or emergency, the sympathetic nervous system stimulates the adrenal medulla to rapidly release adrenaline and noradrenaline into the bloodstream. This hormone increases heart rate, breathing rate, blood pressure, and blood flow to skeletal muscles while redirecting blood away from non-essential organs like the digestive tract.
Adrenaline is secreted by the adrenal medulla.
It prepares the body for emergency 'fight or flight' situations.
It increases heart rate, breathing rate, and blood pressure.
Thyroid gland secretes thyroxine, Pineal gland secretes melatonin, Pituitary gland secretes growth hormone and TSH.
Provides rapid physiological changes to survive sudden dangers or intense physical stress.
Chronic excessive adrenaline release due to ongoing stress can lead to hypertension and cardiovascular issues.
Used medically as a life-saving injection (EpiPen) during severe allergic reactions (anaphylaxis) and cardiac arrest.
Option A (Thyroid gland): Secretes thyroxine which regulates basal metabolism.
Option C (Pineal gland): Secretes melatonin which regulates circadian rhythm (sleep-wake cycle).
Option D (Pituitary gland): Known as the master gland, controls other endocrine glands.
B is correct тАФ Adrenal gland secretes Adrenaline.
Questions on endocrine glands and their respective hormones/functions are frequent in RRB and SSC exams. Always memorize the hormone name, the gland that secretes it, and its primary physiological role.
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