第2题: [单项选择]MRI中特殊脉冲序列不包括 A. 脂肪抑制 B. 磁共振血管成像(MRA) C. 反转恢复序列 D.MRI水成像 D. 功能MRI(fMRI) 参考答案:C 答案解析:在MRI成像中常用的脉冲序列有自旋回波(SE)序列、梯度回波(GRE)脉冲序列、反转恢复(IR)序列等;常用的特殊脉冲序列包括脂肪抑制、磁共振血管成像(MRA)、MRI水成像、功能MRI(fMRI)等
A. It converts data from one form to another. B. It will be out of date soon. C. It serves as a link between senders and recipients of message. D. It transmits message more efficiently than other devices. 参考答案:A