Question

You are watching a horror movie and you notice your heart is beating fast and mouth is dry. It is because of

• A. Fight and flight response
• B. Autonomic nervous system
• C. Sympathetic nervous system
• D. Both A and C

Answer 1

The correct option is D Both A and C

Fast heart beat and dry mouth occurs due to secretion of adrenaline. It is secreted from adrenal medulla in response to stress conditions in the body or when homeostasis of body is disturbed. It acts as a neurotransmitter and stimulates sympathetic nervous system to induce fight or flight responses in the body. It increases alertness, heartbeat and strength of heart contractions.

Hence, both options A and C are correct.

So, the correct answer is 'Both A and C'