- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
CT動(dòng)脈增強(qiáng)掃描肝動(dòng)脈期通常為（）
A.對(duì)比劑開(kāi)始注射后15～20s
B.對(duì)比劑開(kāi)始注射后20～25s
C.對(duì)比劑開(kāi)始注射后35～40s
D.對(duì)比劑開(kāi)始注射后45～50s
E.對(duì)比劑開(kāi)始注射后30s左右
