肛门栓通过直肠给药,不能起全身作用。()
参考答案:错
Local bus can reduce the occupation time of CPU. For the EISA local bus, commonly the time can be reduced to
A.0.42
B.0.22
C.0.12
D.0.02
患者,男,65岁。行腹部CT增强扫描,发现腹主动脉异常,如下图:
对该病术前评价和术后随访的最佳方法是()
A.X线平片
B.DSA
C.MSCTA
D.超声
E.MRI