为判定宫颈病变性质，应选择的检查为（） ["A.阴道分泌物涂片","B.阴道镜检查下取活体病理学检查","C.宫颈脱落细胞学检查","D.碘试验","E.细菌培养"]
增加重复时间（TR）能使（）。 ["图像的信噪比（SNR）减小","T1权重增加","T2权重增加","扫描时间减小","允许扫描的层数减小"]
喉上神经外支损伤可出现（） ["环甲肌瘫痪引起声调降低","术后呛咳","手足抽搐","声带内收","呼吸困难"]
子宫性闭经（） ["神经性畏食","希恩综合征（Sheehansyndrome）","卵巢早衰","宫腔粘连","雄激素不敏感综合征"]
喉上神经内支损伤可出现（） ["环甲肌瘫痪引起声调降低","术后呛咳","手足抽搐","声带内收","呼吸困难"]
不变成本
