The mechanism of increased PaCO2 to stimulate respiratory center is mainly due to()

A.CO2 directly stimulates the central chemoreceptor in the medulla oblongata B.CO2 increases H+ concentration in cerebrospinal fluid, which stimulates the central chemoreceptor in the medulla oblongata C.H+ stimulates chemoreceptor of the carotid body D.CO2 stimulates chemoreceptor of the carotid body E.CO2 stimulates chemoreceptor of the aortic body

时间:2024-03-14 14:17:25

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