男，2岁，阴囊囊性肿块，站立时明显增大，透光试验阳性，卧床时肿块缩小或消失，睾丸不能触及。应首先想到() ["A．睾丸鞘膜积液","B．精索鞘膜积液","C．交通性鞘膜积液","D．睾丸肿瘤","E．腹股沟斜疝"]
男，60岁，体查发现左精索静脉曲张，平卧时不消失，应考虑的诊断是() ["A．膀胱癌","B．输尿管癌","C．肾盂癌","D．肾癌","E．丝虫病"]
男，3岁，发现右阴囊内无痛性包块1个月。检查：左侧睾丸存在，右侧阴囊为囊性包块所占据，质软，挤压无变化，该包块的诊断首先的检查方法是() ["A．包块穿刺检查","B．活检术","C．CT检查","D．透光试验","E．B型超声检查"]
有关睾丸鞘膜积液不正确的是() ["A．透光试验阴性可除外睾丸鞘膜积液","B．精索静脉曲张可继发睾丸鞘膜积液","C．阴囊内容物手术后可继发睾丸鞘膜积液","D．婴幼儿睾丸鞘膜积液可自愈","E．附睾炎症可继发睾丸鞘膜积液"]
关于精索静脉曲张的治疗，下列哪项是错误的() ["A．只切除阴囊内部分扩张的静脉","B．腹膜后内环上方高位结扎和切断精索内静脉","C．无症状或症状较轻者，可穿紧身内裤","D．精索内静脉与腹壁深静脉吻合","E．行精索内静脉栓塞"]
何谓ABO血型分泌型和非分泌型?
