重症肌无力患者中有胸腺瘤或胸腺增生占百分之几() ["A．10%","B．15%","C．20%","D．25%","E．50%"]
下列哪种肿瘤常于后纵隔() ["A．神经源性肿瘤","B．畸胎瘤","C．皮样囊肿","D．胸腺瘤","E．纵隔内甲状腺肿"]
胸腺瘤病人合并重症肌无力占百分比是() ["A．10%","B．15%","C．20%","D．25%","E．30%"]
脊髓灰质炎()丙型肝炎()轮状病毒感染()合胞体病毒感染() ["A．消化道隔离","B．呼吸道隔离","C．两者均是","D．两者均不是"]
层流洁净室()早产儿室()ICU()供应室无菌区()妇产科检查室()化验室()普通病房() ["A．空气(cfu/m3)≤10物体表面(cfu/m2)≤5医护人员手(cfu/m2)≤5","B．空气(cfu/m3)≤200物体表面(cfu/m2)≤5医护人员手(cfu/m2)≤5","C．空气(cfu/m3)≤500物体表面(cfu/m2)≤10医护人员手(cfu/m2)≤10","D．物体表面(cfu/m2)≤15医护人员手(cfu/m2)≤15","E．空气(cfu/m3)≤1000物体表面(cfu/m2)≤8医护人员手(cfu/m2)≤8"]
一级医院()二级医院()三级医院()
