进行有效咳嗽时必须() ["气道内的黏液有一定厚度","气道内有稀薄分泌物","有胸痛","有呼吸困难","呼吸节律正常"]
下列不属于目前遗传性皮肤病的研究策略的是() ["病原微生物分析","分离分析","连锁分析","突变筛查","遗传流行病学研究"]
5岁幼儿,进食蚕豆后突感发热、恶心、呕吐、腹痛,皮肤黄染。检验:HGB60g/L,WBC8.8×109/L,PLT130×109/L,尿常规:隐血(+++),蛋白(+++)。G6PD活性4.4IU/gHb。最可能病因是()。 ["急性食物中毒","急性肾盂肾炎","G6PD缺乏","脾功能亢进","急性白血病"]
呼吸中最有效的通气压力应产生于() ["肋间内肌","膈肌","胸大肌","胸小肌","肋间外肌"]
喉结核在喉镜下最典型的病理变化是()。 ["喉部黏膜苍白,局限性充血","会厌水肿、增厚","声带运动受限、固定","喉部瘢痕狭窄","喉后部黏膜溃疡成虫蚀状,边缘不整,底部有时可见肉芽增生"]
四肢长管状骨骨折的诊断要点