[名词解释] 昏睡

缓脉 肝颈静脉回流征 药物与血浆蛋白结合（） ["A．是不可逆的","B．加速药物在体内的分布","C．是疏松和可逆的","D．促进药物排泄","E．无饱和性和置换现象"] 黄染 某弱酸性药在pH为5时约90％解离，其pKa值为（） ["A．6","B．5","C．4","D．3","E．2"] 昏睡