X-ray OPG is mainly used for:
A. Imaging fractures.
B. Imaging teeth and features around the teeth.
C. Imaging on a curved plane.
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为什么患者报告在DXA成像中被表达为Z分数？
A. 因为制造商将他们存储在扫描仪中
B. Z分数使扫描仪之间的区别规格化。
C. 因为扫描数是量化的
在DSA中，在造影剂注射到患者血管后得到的图像称作
A. 掩膜图像
B. 混合图像
C. 最终输出图像
What type of energy is X-ray?
A. High frequency sound waves
B. High-energy electromagnetic radiation
C. Emissions from radioactive sources
D. Electron flow, discharged from the hot cathode
How do electromagnetic waves propagate?
A. By applying an electric field
By applying a magnetic field
C. Through front and back vibration
D. Through self-oscillation
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