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33.高碳酸血症時,周邊化學受體(peripheral chemoreceptors)參與通氣反應的調控約為多 少%?
(A)5~10
(B)20~30
(C)50~60
(D)80~90


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難度: 適中
1F
Rina 小一上 (2018/07/04)

For a given increase in PaCO2 or [H+], the carotid bodies are

less responsive than the central chemoreceptors. The peripheral

chemoreceptors account for only 20% to 30% of the ventilatory

response to hypercapnia.5 However, they respond to increased

arterial [H+] more rapidly than the central chemoreceptors. The

explanation is that, in contrast to the central chemoreceptors,

the carotid bodies are exposed directly to arterial blood. The

body’s initial ventilatory response to metabolic acidosis is fairly

quick, even though H+ crosses the blood-brain barrier with

difficulty...


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2F
Winup 高一下 (2020/05/06)

5eb287a61621c.jpg#s-768,1024周邊化學受體(peripheral chemoreceptors)參與通氣反應的調控約為2030%

3F
kkkdk 大二上 (2021/07/04)

60e1d6889a7c6.jpg#s-600,233呼吸照護解剖與生理學 第3版 第11章 P.191

33.高碳酸血症時,周邊化學受體(peripheral chemorecepto..-阿摩線上測驗