At what pCO_2 level may death occur? | vedclass

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(C) The partial pressure of carbon dioxide $(pCO_2)$ in the blood is strictly regulated by the respiratory center in the medulla oblongata. High level

Vedclass · Accepted Answer

$> 500\,mm\;Hg$

Vedclass · Answer

(C) The partial pressure of carbon dioxide $(pCO_2)$ in the blood is strictly regulated by the respiratory center in the medulla oblongata. High levels of $pCO_2$ (hypercapnia) lead to respiratory acidosis,which decreases the blood $pH$. When $pCO_2$ levels exceed $500\,mm\;Hg$,the resulting severe acidosis and toxic effects on the central nervous system can lead to unconsciousness,coma,and eventually death.

At what $pCO_2$ level may death occur?

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