An increase in blood pressure is caused by al | vedclass

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Question

(C) The parasympathetic nervous system is responsible for lowering or maintaining blood pressure by slowing down the heart rate and promoting vasodila

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Stimulation of parasympathetic nerves

Vedclass · Answer

(C) The parasympathetic nervous system is responsible for lowering or maintaining blood pressure by slowing down the heart rate and promoting vasodilation.Adrenaline increases heart rate and cardiac output,leading to an increase in blood pressure.Angiotensin $II$ is a potent vasoconstrictor that increases blood pressure.The vagus nerve is a major component of the parasympathetic nervous system; its stimulation decreases heart rate and blood pressure.Therefore,both stimulation of parasympathetic nerves and stimulation of the vagus nerve lead to a decrease in blood pressure,making them the correct exceptions.

An increase in blood pressure is caused by all the following except:

Similar Questions

Heart beat is accelerated by

Which of the following factors increase the heart rate?
$(A)$ Sympathetic nerve signals
$(B)$ Parasympathetic nerve signals
$(C)$ Adrenal medullary hormones
$(D)$ Vagus nerve
$(E)$ Thyroxine hormone
$(F)$ Acetylcholine

The pacemaker stimulates:

An increase in blood flow to the atria of the heart can cause the release of ............ and it causes ............ in blood vessels.

When a normal heart is injected with a physiological concentration of adrenaline,it shows:

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