人体内维生素B12贮存量为() ["1~2mg","2~3mg","3~4mg","4~5mg","5~10mg"]
办理住院手续的依据是()。 ["门诊病例","单位证明","住院证","医保卡","转院证明"]
属于脑源性晕厥的是() ["颈动脉窦综合征","排尿性晕厥","低血糖综合征","短暂性脑缺血发作","高原晕厥"]
女,23岁,右手被机器碾伤,手掌部及五指多处挫裂伤,屈伸指肌腱、主要血管神经及掌骨、指骨均无损伤,经清创缝合后观察。关于此患者处理下列哪项不正确()。 ["术后用敷料将手掌部及五指一起覆盖,用绷带环绕包扎","抬高患肢,以利静脉回流","术后3天,用激素及脱水剂,减少组织水肿","注射破伤风抗毒血清","应用抗生素预防感染"]
男,28岁,尿急、尿痛伴尿道口脓性分泌物2天就诊,患者否认有不洁性行为史。最适宜的进一步检查是() ["A.前列腺液常规","尿常规","血常规","尿细菌培养","尿道分泌物涂片"]
无机氟生成最多()。血气分配系数最低()。