胆碱能荨麻疹的典型皮损是() ["风团直径大小不等","风团直径8~10mm,周围无红晕","风团直径8~10mm,周围有一较小红晕","风团直径2~3mm,周围无红晕","风团直径2~3mm,周围有一较大红晕"]
脾肿大的诊断标准是() ["上下>12cm,前后>5个肋单元","上下>14cm,前后>4个肋单元","上下>14cm,前后>6个肋单元","上下>15cm,前后>6个肋单元","上下>15cm,前后>5个肋单元"]
患者女性,30岁,间断胸闷不适2年,时有黑朦现象,近一周黑朦发作频繁,伴晕厥一次来诊休息时心电图正常,为进一步明确晕厥原因,首选的检查是() ["A.心脏电生理检查","脑电图","超声心动图","Holter","脑CT"]
关于耻骨弓角度正确的是() ["小于80°","反映骨盆出口横径的宽度","反映中骨盆横径的宽度","反映中骨盆前后径的宽度","反映骨盆出口前后径的宽度"]
女,16岁,发现左颈部肿块两年,CT如图所示,最可能的诊断为()。 ["囊状水瘤","咽部神经鞘瘤","咽旁脓肿","左侧鳃裂囊肿","囊性转移癌"]
胰腺癌进一步检查