肺窗的窗位、窗宽分别为
A: -100~-300HU、1500~2000HU
B: -450~-600HU、1500~2000HU
C: -600~-800HU、1000~2000HU
D: -800~-1000HU、1500~2000HU
E: 30~50HU、250~350HU
A: -100~-300HU、1500~2000HU
B: -450~-600HU、1500~2000HU
C: -600~-800HU、1000~2000HU
D: -800~-1000HU、1500~2000HU
E: 30~50HU、250~350HU
B
举一反三
内容
- 0
丫鬟(huáihuán) A: huái B: huán
- 1
水的CT值范围是: ( ) A: 22~32 HU B: -10~O HU C: 46~66 HU D: 10~20 HU E: 120~150 HU
- 2
丫鬟 A: huái B: huán
- 3
水的CT值范围是:() A: 22~32 HU B: 46~66 HU C: 10~20 HU D: -10~0 HUE E: 120~150 HU
- 4
The differential absorption of the x-ray beam by different tissues produces various image density, which on CT scans are measured in Hounsfield units (), which of the following description below is NOT correct: ( ) A: Air is measured -1000 HU B: Fat is measured -120 Hu C: Bone is measured +1000 Hu D: Calcification is measured from 80 to 100 Hu