A.Acetylcholine
B.Adrenaline
C.Noradrenaline
D.None of these
Related Mcqs:
- Sympathetic nerve fibres increase the rate of heartbeat by releasing which of these at their free endings:
- Free nerve endings of sympathetic nervous system will release which of these substances during the condition of tachycardia in our body:
- Cholinergic fibres are those which liberate at their free ends:
- Stimulation of heart through sympathetic nerve is a result of:
- Which of these nerve fibres accelerate the rate of heart beat:
- Slowing of heart rate in man is done by:
- Heart rate in neurogenic hearts in increased by release of:
- Heart rate in neurogenic hearts is decreased by release of:
- General metabolic rate in our body is controlled by:
- Under which of these situations the rate of heartbeat is accelerated by noradrenaline:
