第2题: [单项选择]Who has seen the new car A. They wanted them to see their new car. B. They wanted to see the children. C. They wanted to show them the movies which had been taken when they visited China. 参考答案:C
第38题: [单项选择]关于PETCO2和PACO2,不正确的解释是()。 A. 不能用以估计PaCO2 B. PETCO2是终末呼气气体中的CO2 C. 它反映所有通气肺泡的均值 D. 正常时,PETCO2≈PACO2≈PaCO2 E. 肺通气、肺换气障碍等疾病状态时,PETCO2与PaCO2相差较大 参考答案:A