如在输注青霉素过程中患者突然出现呼吸困难,应首先考虑的为() ["心肌梗死","肺栓塞","喉水肿","气管异物","喉异物"]
Fuchs角膜内皮营养不良诊断必须有() ["双眼角膜中央滴状疣","基质水肿","上皮水肿及水泡","上皮下结缔组织膜","视力下降"]
男,79岁,久病卧床,胸痛,呼吸困难,结合CT图像,最可能的诊断是() ["肺栓塞","支气管哮喘","金黄色葡萄球菌感染","肺动脉恶性间叶瘤","纵隔淋巴瘤"]
如图,在喉镜检查中发现一侧声带表面有局限的发白斑片。不易拭去,但声带活动良好。应首先怀疑为() ["喉角化症","喉白斑病","喉癌","喉淀粉样变","喉结核"]
名址系统、电子化支局系统、商函投递系统属于邮政综合计算机网应用系统中的()。 ["邮务类","金融类","电子商务类","经营管理类"]
简述划分贫困线的方法?