AchR-Ab滴度升高可支持重症肌无力的诊断,其特异性和敏感性分别为() ["90%~70%","99%~80%","99%~88%","80%~99%","88%~99%"]
脾脏触诊时,在什么情况下需要采用右侧卧位双手触诊法?
下列关于肺部组织胞浆菌病影像特点,正确的是() ["常侵犯胸膜、胸壁,形成瘘道","中下肺斑点状、云雾状影","两肺粟粒样病灶","空洞内有“霉菌球”","双肺磨砂玻璃样改变"]
肌营养不良症的腓肠肌假肥大主要由于() ["肌肉过度运动","周围肌肉萎缩而腓肠肌相对肥大","肌肉内脂肪浸润","肌细胞代偿性肥大","以上都不是"]
小叶旁型肺气肿主要分布在() ["双肺上叶","肺内瘢痕病灶旁","两肺弥漫分布,以下叶为主","局限于胸膜下区域","双肺均匀分布"]
腹部如触及包块,应该注意哪些内容?