腰穿检查中压颈试验的目的是确定() ["小脑病变","大脑病变","脑干病变","脊髓病变伴椎管阻塞","周围神经疾病"]
核素肺灌注显像主要诊断的疾病是() ["急性肺栓塞","慢性支气管炎","肺结核","肺内占位性病变","呼吸道阻塞"]
休克病人,应取下肢(床脚)抬高5°,头部和躯干同时抬高20°左右的体位。
维生素B12分子结构中含有金属()。 ["铁","铜","铬","钴","锌"]
下列叙述哪项是错误的() ["卵巢表面无腹膜","卵巢皮质内有数以万计的原始卵泡","卵巢是决定女性的器官","成年女子的卵巢体积为7×4×3cm","卵巢髓质内无卵泡"]
脑梗死