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不是翻译的题库啦

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27.The stability of the patient table is not at risk when scanning very heavy patient,but the correct functioning of the table (lift,positioning,precision) cannot be guaranteed 100%.

答案：答案:扫描一个很重的患者时,患者床的稳定性没有风险,但不能100%保证病人台的正确功能(升降、定位精度)。

不是翻译的题库啦

7.The conditions include body size,tube voltage,tube current,exposure time,pitch,reconstruction algorithm,and so on.

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35.Radio frequency coils produce the excitation of the static magnetic filed and also pick up the emitted signal on decay.

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28.To tilt the gantry forward(+) or backward(-),press the respective buttons on the gantry panel.The tilt range is from -30 to +30 degrees .Zero(0) indicate that the gantry is in the vertical position.

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4.Take routine and some special radiography,operate machine in concert with diagnosis doctors to ensure the image quality ,complete the emergency rescue work with the diagnosis doctors.

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20.However the density resolution of CT is higher than that of conventional X-ray images , that is , the CT has a high density CT(density resolution ).

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13.The flat panel detects the X-rays that have passed through the patient’body, converts them into electrical signals using X-ray scintillation effects, and sends the signals (digital image signals )to the digital radiography system.

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8.Passing though human body ,it can carry important characteristic information of inner structure, due to different features among bone, tissue and muscle.

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11.In the X-ray imaging device,detector and data acquisition unit of X-ray imaging device transform X-ray ,passing through human body,into electrical signal.

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18.Automatic control of X-ray tube current is realized by adjusting primary voltage of X-ray tube filament transformer to obtain stable and high quality image.

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29.After the scan is completed ,you can adjust the window center and width for optimal viewing of the image.

题目内容

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简答题

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不是翻译的题库啦

27.The stability of the patient table is not at risk when scanning very heavy patient,but the correct functioning of the table (lift,positioning,precision) cannot be guaranteed 100%.

答案：答案:扫描一个很重的患者时,患者床的稳定性没有风险,但不能100%保证病人台的正确功能(升降、定位精度)。

相关题目

7.The conditions include body size,tube voltage,tube current,exposure time,pitch,reconstruction algorithm,and so on.

点击查看答案

35.Radio frequency coils produce the excitation of the static magnetic filed and also pick up the emitted signal on decay.

点击查看答案

4.Take routine and some special radiography,operate machine in concert with diagnosis doctors to ensure the image quality ,complete the emergency rescue work with the diagnosis doctors.

点击查看答案

20.However the density resolution of CT is higher than that of conventional X-ray images , that is , the CT has a high density CT(density resolution ).

点击查看答案

8.Passing though human body ,it can carry important characteristic information of inner structure, due to different features among bone, tissue and muscle.

点击查看答案

11.In the X-ray imaging device,detector and data acquisition unit of X-ray imaging device transform X-ray ,passing through human body,into electrical signal.

点击查看答案

18.Automatic control of X-ray tube current is realized by adjusting primary voltage of X-ray tube filament transformer to obtain stable and high quality image.

点击查看答案

29.After the scan is completed ,you can adjust the window center and width for optimal viewing of the image.

点击查看答案

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