Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoreyed building starts climbing down the stairs rapidly. Which hormone initiated this action?
- Adrenaline
- Glucagon
- Gastrin
- Thyroxine
Answer
(1) Adrenaline
Solution
As per NCERT, the adrenal medulla secretes adrenaline and noradrenaline rapidly in response to stress of any kind and during emergency situations; they are called emergency hormones or hormones of Fight or Flight.
They increase alertness, heart beat, rate of respiration and breakdown of glycogen, preparing the body for quick action.
∴ Adrenaline initiated this action.
Answer: (1)