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:
- Parasympathetic nerve fibres decrease the rate of heartbeat by releasing which of these at their free endings:
- Stimulation of heart through sympathetic nerve is a result of:
- Which of these will be produced in the body during fever when we have tachycardia:
- Cholinergic fibres are those which liberate at their free ends:
- Heart rate in neurogenic hearts in increased by release of:
- Heart rate in neurogenic hearts is decreased by release of:
- Sympathetic fibres of autonomic nervous system:
- Which of these substances will be produced by our body in order to bring state of bradycardia:
- General metabolic rate in our body is controlled by: