与HIV感染密切相关的口腔病变有哪些?
鉴定抗原或抗体纯度时，可选用的双向琼脂扩散试验的模式为() ["A．单孔型","B．双孔型","C．双排孔型","D．三角孔型","E．梅花孔型"]
属沉淀反应的有() ["A．单向免疫扩散","B．双向免疫扩散","C．免疫电泳","D．免疫比浊","E．抗球蛋白试验"]
菌状乳头炎()常与地图舌并存()舌背乳头全部萎缩()舌背人字沟前舌乳头剥脱()舌背丝状乳头过度增生() ["A．菌状乳头充血、红肿","B．镜面舌","C．沟纹舌","D．毛舌","E．菱形舌"]
凝胶内沉淀试验常用的凝胶有() ["A．琼脂","B．琼脂糖","C．葡聚糖","D．聚丙烯酰胺","E．羧甲基纤维素"]
梅毒粘膜斑发生在()梅毒树胶肿发生在()桑葚牙发生在()
