When administering continuous pure oxygen to a comatose patient, mixing in 5% CO₂ is done to maintain the excitability of the respiratory center.
给昏迷病人连续输纯氧时混入5%CO₂是为了维持呼吸中枢的兴奋。
| 问题 | 给长时间昏迷的病人连续输氧时，要在纯氧里混有5%CO2，原因？ |
|---|---|
| 《》 | 生物必修3 |
| 答案 | 为了维持呼吸中枢的兴奋 |
Tags: 生物必修3
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