患者,61岁,近期行走不灵活,转身困难,不能后退,面部表情少,步行时向前冲,但生活尚自理。诊断上首先考虑()。 ["脑血栓形成","帕金森病","脑出血","重症肌无力","运动神经元病"]
患者,男,50岁。平素喜饮白酒,近日牙龈红肿作痛,伴口苦心烦,舌质暗红,脉沉数有力。用药应首选的是() ["A.黄连","B.黄芩","C.黄柏","D.丹参","E.知母"]
变应性鼻炎发病机制是()。 ["Ⅰ型超敏反应,过敏反应","Ⅱ型超敏反应,细胞毒性反应","Ⅲ型超敏反应,免疫复合物超敏反应","Ⅳ型超敏反应,迟发型超敏反应","Ⅱ型超敏反应,过敏反应"]
肌肉收缩时张力明显增加,但关节不产生肉眼可见的运动,叫做()。 ["等速运动","等长运动","等张运动","用力运动","放松运动"]
儿童流行性腮腺炎的并发症是() ["胰腺炎","脑膜脑炎","心肌炎","睾丸炎","卵巢炎"]
ABO定型试验中常要注意哪些问题?