[名词解释] 胎头吸引术

诊断休克的依据是() ["A．血压下降","B．脉率变快","C．临床表现","D．动脉氧分压<60mmHg","E．尿少"] 人工剥离胎盘术 阴道后穹隆穿刺术 会阴切开方式有____________和____________。 决定休克病人补液量较可靠的依据是() ["A．血压","B．中心静脉压","C．脉率","D．神经状态","E．尿量"] 胎头吸引术