住院期间病历包括哪些内容?
MRI设备不包括() ["主磁体","梯度线圈","射频发生器","高压发生器","信号接收器"]
下列哪种情况可形成质子密度加权像() ["长TR,短TE","长TR,长TE","短TR,短TE","长TR","短TR"]
MRI的成像基础是() ["组织间吸收系数的差别","组织间密度高低的差别","组织间形态的差别","组织间弛豫时间上的差别","组织间大小的差别"]
目前MRI用哪种元素原子核来成像() ["氦","氧","氢","氮","锂"]
试述门诊病历的要求与内容。