关于黏液表皮样癌的叙述正确的是() ["A.好发于青少年","B.大多数发生于男性","C.多见于舌下腺","D.小涎腺多发于舌腺","E.均属恶性,但恶性度不同"]
骨髓腔或骨孔内的出血可用() ["温热盐水纱布压迫止血","荷包缝扎止血","骨蜡填充止血","碘仿纱条填塞压迫的近心端","手指压迫知名动脉的近心端"]
根据心绞痛的严重程度可分() ["4级","2级","5级","3级","6级"]
某一特定危险情况的发生的可能性和后果的组合是指()。 ["绩效","风险","风险评价","事故"]
男性,17岁,右侧甲状腺有单发冷结节,最好的疗法是() ["镇静药及碘剂","抗甲状腺药物","放射碘治疗","手术治疗","多吃海带、紫菜"]
停运循环水泵时,当循环水泵出口蝶阀快速关闭至()时,循环水泵自动跳闸,出口蝶阀继续关至全关。