类风湿关节炎的关节症状是（）。 ["对称性关节炎","侵犯小关节","关节附近的肌肉萎缩","出现晨僵","以上都是"]
下列不是慢性单纯性苔藓皮损的好发部位的是（） ["眼睑","肘部","颈侧","腰骶","手背"]
CT平扫，下列肝占位中，哪种边缘最清晰（） ["早期肝脓肿","原发性肝癌","局灶性脂肪肝","肝转移癌","肝血管瘤"]
哪条血管闭塞可引起延髓背外侧综合征（） ["大脑前动脉","大脑中动脉","大脑后动脉","椎动脉或小脑下后动脉","后交通动脉"]
易于挥发（逸散）的药品是（） ["氢氧化钠","碘化钾","碘酊","乙酰水杨酸","氯化铵"]
急性化脓性胆管炎的体征
