以下除哪种组织外,其余在T1、T2加权上均为低信号() ["A.韧带","B.钙化","C.骨皮质","D.脑脊液","E.肌腱"]
下列诸项中,哪一项对信噪比没有影响() ["A.磁场强度 ","B.梯度场强度 ","C.像素大小","D.重复时间 ","E.矩阵"]
氢化可的松可乐定 ["A.诱发或加重感染 ","B.诱发或加重溃疡 ","C.两者都能 ","D.两者都不能 "]
以下的质量控制参数中哪项不影响MRI图像() ["A.对比噪声比 ","B.组织分辨力 ","C.信噪比","D.空间分辨力 ","E.均匀度"]
拉贝洛尔是毛果芸香碱是 ["A.M受体激动药","B.α2受体激动药","C.α1受体阻断药","D.选择性β1受体阻断药","E.α、β受体阻断药"]
有耐青霉素酶作用有抗绿脓杆菌作用