患者男,24岁,面部软组织划伤,检查见左耳前区皮肤长约4cm的纵行创口。创缘整齐有出血确切的诊断应是面部软组织的()。 ["A.挫伤","挫裂伤","切割伤","刺伤","撕裂伤"]
Portmann提出的鼓室成形术分类,叙述正确的是() ["分为两大类,包括单纯鼓室成形术和混合性鼓室成形术","单纯鼓室成形术不打开鼓窦和乳突","混合性鼓室成形术适应于中耳乳突有不同类型的炎性病灶或胆脂瘤","关闭式手术属于单纯鼓室成形术","开放式手术属于混合性鼓室成形术"]
经行风疹块基本治则为() ["清热燥湿","清热解毒","滋阴清热","凉血祛风","养血祛风"]
患者男,24岁,面部软组织划伤,检查见左耳前区皮肤长约4cm的纵行创口。创缘整齐有出血应采取的处理措施是()。 ["A.清洁创面、止血、无菌敷料覆盖","暴露伤口,全身应用抗生素","尽早行清创缝合术","创面以油纱布覆盖","局部冷敷,加压包扎"]
下列关于发话话务测量中接通率、应答率的说法正确的是() ["接通率=接通次数/试呼次数","接通率=接通次数/占用次数","应答率=应答次数/试呼次数","应答率=应答次数/接通次数"]
活髓切断术的适应证和手术方法。