第二信使有() ["A．钙离子","B．肌醇磷脂","C．环磷腺苷","D．环磷鸟苷","E．镁离子"]
凝血酶原时间延长见于() ["A．肝损伤","B．阻塞性黄疸","C．维生素K缺乏","D．凝血酶原缺乏","E．血小板下降"]
恒量恒速给药后，约经几个消除半衰期可达到稳态血药浓度()一次静注给药后，约经几个消除半衰期可从体内基本消除() ["A．1个","B．3个","C．5个","D．7个","E．9个"]
出现凝血酶原时间延长的疾病有() ["A．阻塞性黄疸","B．消化性溃疡","C．肝硬化","D．血友病","E．心肌梗死"]
脓血便可见于() ["A．菌痢","B．慢性肠炎","C．溃疡性结肠炎","D．直肠癌","E．肠结核"]
作为药物制剂质量指标()影响表观分布容积大小()决定半衰期长短()决定起效快慢()决定作用强弱()
