在下列HPV亚型中，哪组亚型与浸润型宫颈癌发病关系最密切() ["A．HPV6型和11型","B．HPV16型和18型","C．HPV16型和31型","D．HPV11型和33型","E．HPV11型和18型"]
如何诊断1．5岁的小儿有活动期佝偻病?
傅里叶变换的主要功能是() ["A．将信号从时间域值转换成频率域值","B．将信号从频率域值转换成时间域值","C．将信号由时间函数转换成图像","D．将频率函数转变为时间函数","E．将信号由频率函数转变成图像"]
最常见的妇科恶性肿瘤是() ["A．子宫内膜癌","B．卵巢癌","C．输卵管癌","D．宫颈癌","E．绒毛膜癌"]
血流信号降低的影响因素为() ["A．高速信号丢失","B．涡流","C．奇数回波失相","D．以上均是","E．以上均不是"]
试述新生儿败皿症的诊断标准与最常见的并发症。
