患者男，56岁，吸烟、嗜酒，劳力性气促3年，间断下肢水肿6个月，近1个月静息呼吸困难，心电图示窦性心率，室性期前收缩。必需的检查是（） ["A.血脂、血糖","血电解质，肝、肾功能","长程心电图","超声心动图","T3，T4，TSH","以上都是","多巴酚丁胺","吗啡"]
有关原发性肝癌的叙述，哪项不正确（）。 ["肝癌分为巨块型、结节型和弥散型","在我国肝癌伴肝硬化者占大多数","黄曲霉素与肝癌发病有关","乙型和丙型肝炎抗原阳性率明显增高","所有肝癌病人AFP均增高"]
患者，女，48岁，左侧鼻塞、涕中带血，嗅觉减退3个月。该患者应首先进行下述哪些检查（）。 ["A.前鼻镜检查","鼻内镜检查","上颌窦穿刺检查","鼻窦CT检查","咽鼓管功能检查","头部MRI检查","鼻侧位X线拍片检查"]
肺脓肿早期最易与哪些疾病混淆（） ["细菌性肺炎","肺癌","空洞型肺结核","支原体肺炎","化脓性链球菌"]
有关脑脓肿的描述哪项不正确（） ["耳源性脑脓肿多位于颞叶及小脑","血源性脑脓肿好发于额顶叶灰白质交界区","脓腔内出现气液平面提示厌氧菌感染","厚度均一的环状强化出现于脓肿壁形成早期","脓肿期水肿最明显"]
怎样检验砼的质量？
