透光试验阳性常见于() ["A．精索静脉曲张","B．睾丸肿瘤","C．睾丸鞘膜积血","D．睾丸鞘膜积液","E．附睾炎"]
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"]
隐睾下降固定术，一般应在几岁以内手术() ["A．2岁以内","B．5岁以内","C．7岁以内","D．9岁以内","E．12岁以内都可以"]
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"]
如何区分ABO血型?
