患者,胃癌手术后2年,髂窝处声像图表现如图,诊断是() ["A.正常声像图","B.肿大淋巴结","C.阑尾脓肿","D.肠道转移灶","E.动脉瘤"]
患者,男,右下腹有压痛,时有腹泻。结合超声声像图,诊断是() ["A.溃疡性结肠炎","B.结肠癌","C.阑尾脓肿","D.肠结核","E.肠梗阻"]
患者,右下腹压痛,体温38.5℃。根据右下腹声像图表现,诊断是() ["A.腹膜炎","B.结肠癌","C.阑尾脓肿","D.单纯性阑尾炎","E.腹水"]
艾滋病的传播途径为_____________、____________、_________________。
_______________是艾滋病传播的最主要途径。
AIDS的传染源为_____________、______________。