抢救颅内血肿病人,最根本措施是() ["20%甘露醇250ml快速静点","气管切开,减轻脑水肿","清除血肿","人工冬眠及物理降温","去骨瓣减压"]
二度Ⅱ型房室传导阻滞() ["提前出现的QRS波群,宽大畸形","P波与QRS波群无关","PR间期逐渐延长,继之QRS波群脱落,呈周期性","PR间期固定,有时QRS波群脱落","PR间期延长"]
女性癥瘕的患病部位常见于:() ["A.胃脘部","B.下腹部","C.脐周部","D.两胁部","E.以上都不是"]
正常皮肤对光有一定的防御功能,其机制包括()和()。
α-葡萄糖苷酶抑制剂的最佳服用时间是() ["晨起空腹时","餐前半小时","与进餐同时","餐后半小时","任何时间"]
小儿心律与心率特点。