A.-30~-50HU
B.-40~-70HU
C.-50~-100HU
D.30~50HU
E.50~70HU
[单选题]C.T图像中颈部淋巴结的CT值约为()。A.10~20HUB.20~30HUC.30~40HUD.40~50HUE.50~60HU
[单选题]颅脑CT扫描后用的脑窗照相,其窗宽和窗位为A.80~100HU,40~50HUB.80~100HU,35~40HUC.100~200HU.40~50HUD.100~200HU,35~40HUE.80~100HU,40~60HU
[单选题]颅内血肿的CT值A.-100~-30HUB.0~10HUC.100~200HUD.40~80HUE.-1000HU
[单选题]乳腺腺体的CT值为()A . -30~-50HUB . -40~-70HUC . -50~-100HUD . 30~50HUE . 50~70HU
[单选题]乳腺腺体的CT值为().A . -30~-50HUB . -40~-70HUC . -50~-100HUD . 30~50HUE . 50~70HU
[单选题]空气的CT值通常是A.-1000HuB.-500HuC.0HuD.+500HuE.+1000Hu
[单选题]C.T验收时水的平均CT值正常波动范围不超过A.±1HuB.±2HuC.±3HuD.±4HuE.±5Hu