某男系X连锁显性遗传病患者，与正常女性结婚，产前诊断为一男婴，则该男婴发病概率为() ["A．100%","B．50%","C．25%","D．12.5%","E．0"]
25岁妇女，孕42周，GP。无产兆，检查：宫高33cm，腹围116cm，胎位ROA，胎心132次/分，胎头入盆，两周前尿E测定为18mg/24h，今日测为8mg/24h，应考虑为() ["A．胎头受压","B．胎儿过度成熟","C．胎儿宫内窘迫","D．胎盘功能低下","E．脐带受压"]
骨质软化是指()骨质增生是指() ["A．单位体积内骨组织有机成分正常，而矿物质含量减少","B．单位体积内骨组织无机成分正常，而矿物质含量减少","C．单位体积内骨组织有机成分正常，而矿物质含量增多","D．单位体积内骨量增多","E．单位体积内骨量减少"]
前角型瘫痪表现不正确的为() ["A．常伴有感觉障碍","B．肌肉萎缩","C．肌张力低下","D．有肌纤维颤动","E．节段性瘫痪"]
输尿管长约()输精管长约() ["A．15～20cm","B．30～45cm","C．25～30cm","D．2～8cm","E．10～12cm"]
肘关节提携角()腕关节腕骨角()腕关节前倾角()股骨颈前倾角()
