男性,68岁。因患前列腺增生症,排尿困难,需手术治疗。在前列腺手术指征中,下列哪种情况不是绝对手术指征() ["膀胱残余超过50ml","有尿潴留史","伴膀胱结石","心,肺和肾功能耐受手术","前列腺明显增大"]
垂体腺癌最重要的诊断依据是()。 ["无包膜","肿瘤较大","瘤细胞异型性明显","无分泌激素功能","明显侵犯周围脑组织并发生转移者"]
枕骨大孔疝的主要临床表现有() ["剧烈头痛,频繁呕吐","颈项强直","血压增高,脉搏缓慢","呼吸骤停","以上均对"]
乙脑极期惊厥与抽搐的特征有() ["多见于病程第2~5天","可以由高热、脑实质炎症及脑水肿所致","不一定均伴有意识障碍","先见于面部、眼肌、口唇的小抽搐,随后呈肢体阵挛性抽搐","严重者可出现全身性抽搐,强直性痉挛,可历时数分钟至数十分钟"]
男,68岁。5年来有尿频及排尿困难。查:肛诊查前列腺Ⅲ°大,B超:双肾正常,前列腺平方厘米,残余尿200ml,BP160/100mmHg;无心肺疾病,理想的治疗方法是() ["α受体阻滞剂","留置导尿","双睾丸切除,膀胱造瘘","前列腺尿道留网状支架","前列腺切除术"]
三相半波可控整流电路的移相范围是()