Which of the following statements is incorrect? Baroreceptors in the wall of the
ID: 73241 • Letter: W
Question
Which of the following statements is incorrect? Baroreceptors in the wall of the carotid sinuses initiate the carotid sinus reflex while baroreceptors in the ascending aorta and aortic arch initiate the aortic reflex. The carotid sinus reflex helps to regulate blood pressure in the brain while the aortic reflex regulates systemic blood pressure. Nerve impulses travel from the carotid sinus baroreceptors over sensory axons in the glossopharyngeal nerves to the cardiovascular center in the hypothalamus. Nerve impulses from aortic baroreceptors travel to the cardiovascular center via the sensory axons of the vagus nerves.
Explanation / Answer
The carotid sinus reflex helps to regulate blood pressure in the brain while the aortic reflex regulates systemic blood pressure........... This statement is slightly incorrect.
The carotid sinus reflex and aortic reflex together monitor changes in blood pressure in the entire body and relay the information to brainstem. Baroreceptors are receptors in the wall of vessels. They always respond to changes in pressure in the blood vessel.
Rest of the three statements are correct.
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