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自然呼吸情况下,PCO2升高对呼吸的刺激作用增强,其原因是
自然呼吸情况下,PCO2升高对呼吸的刺激作用增强,其原因是
A.血液H+浓度也升高
B.血液PO2降低
C.中枢化学感受器的敏感性增加
D.外周化学感受器的敏感性增加
正确答案:血液H+浓度也升高
标签:
生理学
感受器
血液
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动物实验中,切断家兔双侧颈部迷走神经后,呼吸的改变是
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A medical student waiting for her first patient interview at the clinical skills center becomes very anxious and increases her rate of alveolar ventilation.If her rate of CO2 production remains constant, which of the following will decrease?