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Which of the following does the interviewee consider accurate?A.Brash.B.You don't know a c
Which of the following does the interviewee consider accurate?
A.Brash.
B.You don't know a crap.
C.How could you?
D.Arrogant.
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
Which of the following does the interviewee consider accurate?
A.Brash.
B.You don't know a crap.
C.How could you?
D.Arrogant.
第2题
A.对比剂多为Gd-DTPA,剂量为0.1~0.2mmol/kg
B.经静脉团注,注射速度2~3ml/s
C.注射对比剂延迟18s开始扫描
D.注射对比剂延迟40s开始扫描
E.扫描后做时间-信号强度曲线后处理
第3题
CT动脉增强扫描肝动脉期通常为()。
A、对比剂开始注射后45~50s
B、对比剂开始注射后15~20s
C、对比剂开始注射后35~40s
D、对比剂开始注射后20~25s
E、对比剂开始注射后30s左右
第4题
A.颅脑CT增强扫描分直接增强扫描和平扫后增强扫描
B.疑有动脉瘤者采用注射对比剂50ml时开始扫描
C.脑膜瘤者采用注射对比剂60s后开始扫描
D.转移瘤者可在注射对比剂6min后开始扫描
E.颅内感染者可在注射对比剂6min后开始扫描
第5题
A、对比剂开始注射后15~20s
B、对比剂开始注射后20~25s
C、对比剂开始注射后35~40s
D、对比剂开始注射后45~50s
E、对比剂开始注射后30s左右
第6题
关于颅脑增强扫描,叙述错误的是
A.直接增强扫描是不做平扫,注入对比剂后的逐层连续扫描
B.增强后的扫描时间依据病变的性质而定
C.脑血管畸形、动脉瘤等,可在注射对比剂50ml时开始扫描
D.颅内感染、囊肿等,可在注射对比剂后5分钟开始扫描
E.颅内转移瘤、脑膜瘤等,可在注射对比剂后6~8分钟开始扫描
第7题
A.脂肪组织增加的CT值<2Hu
B.导管和腺体组织增加的CT值≤10Hu
C.导管和腺体组织增加的CT值≥10Hu
D.乳晕后组织和乳头增加的CT值≥15Hu
E.乳晕后组织和乳头增加的CT值≤15HU
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