MCQ
Which of the following is associated with decrease in cardiac output?
- AAdrenal medullary hormones
- BSympathetic nerves
- ✓Parasympathetic neural signals
- DPneumotaxic centre
Parasympathetic neural signals decrease the rate of heart beat, speed of conduction of action potential, stroke volume and thereby the cardiac output.
Adrenal medullary hormones increase cardiac output.
Sympathetic neural signals increase the rate of heart beat, strength of ventricular contraction and thereby the cardiac output.
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