教你选择医学影像检查方式(桂林医学院) 中国大学mooc慕课答案2024版 m52360

1 平片——最常用的X线检查 第1讲 单元测验

1、 普通X线摄影,使胶片产生灰雾的主要原因是In radiograhpy, the main reason for the fog on the film is

A:相干散射Coherent scattering
B:光电效应Photoelectric effec
C:电子对效应Electron pair effect
D:康普顿效应Compton effect
答案: 康普顿效应Compton effect

2、 导致X线穿过物质时衰减的原因是The reason for the attenuation of X-rays through the material is

A:X线频率X-rays’ frequency
B:X线波长X-rays’ wavelength
C:X线能量X-rays’ energy
D:物质和距离Material and distance
答案: 物质和距离Material and distance

3、 普通X线摄影中，肺部在胶片上是What color is the lung on the film after radiography？

A:白色White
B:黑色Black
C:浅灰Light gray
D:雪花灰Dark gray
答案: 黑色Black

4、 DR成像的核心是The core of digital radiography imaging

A:胶片Film
B:计算机Computer
C:平板探测器Flat panel detector
D:影像板Imaing Plate
答案: 平板探测器Flat panel detector

5、 与X线的产生条件无关的因素是The factor unrelated to the generation of X-rays is

A:电子源Electronic source
B:高压电场High voltage electric field
C:电子的骤然减速Sudden deceleration of electrons
D:阳极散热Deat dissipation of the anode
答案: 阳极散热Deat dissipation of the anode

2 平片里的战斗机——特殊X线检查 第2讲 单元测验

1、 数字减影血管造影利用了（ ）运算What operation does digital subtraction angiography use？

A:加法Addition
B:减法Subtraction
C:乘法Multiplication
D:除法Devision
答案: 减法Subtraction

2、 注入造影剂后，血液对X射线的衰减能力The ability of blood to attenuate X-rays after injection of contrast agent

A:增加Increase
B:减少decrease
C:不变unchange
D:视造影剂的浓度而定Depending on the concentration of the contrast agent
答案: 增加Increase

3、 国际上公认的早期乳腺癌筛查的有效手段是An internationally recognized effective mean of early breast cancer screening is

A:B超B-mode ultrasound
B:临床触诊Clinical palpation
C:乳腺钼靶Mammography
D:MRI
答案: 乳腺钼靶Mammography

4、 乳腺钼靶X射线检查最突出特点是The most prominent feature of mammography is

A:提高乳房各组织结构的对比度Improve the contrast of various parts of the breast
B:可以发现临床医生触摸不到的早期乳腺癌Can find early breast cancer that clinicians cannot reach
C:辐射剂量低Low radiation dose
D:摄影时间短Short photography time
答案: 可以发现临床医生触摸不到的早期乳腺癌Can find early breast cancer that clinicians cannot reach

5、 造影检查的目的是The purpose of the angiography is

A:增加器官组织的密度Increase the density of organs or tissues
B:增加器官组织的自然对比度Increase the natural contrast of organs or tissue
C:增加器官组织的人工对比度Increase the artificial contrast of organs or tissue
D:降低器官组织的密度Decrease the density of organs or tissues
答案: 增加器官组织的人工对比度Increase the artificial contrast of organs or tissue

6、 胃造影常使用的造影剂是The contrast agent most commonly used in gastrography is

A:二氧化碳Carbon dioxide
B:泛影葡钠Panax sodium
C:空气Air
D:硫酸钡Barium sulfate
答案: 硫酸钡Barium sulfate

3 平片升级版——CT检查 第3讲 单元测验

1、 CT与普通X线摄影相比，其最突出的优点是Compared with radiography, the most prominent advantage of CT is

A:断层成像Tomography
B:数字化图像Digital image
C:射线剂量小Low radiation dose
D:空间分辨率高High spatial resolution
E:扫描速度快High scanning speed
答案: 断层成像Tomography

2、 螺旋CT扫描和非螺旋CT扫描最大的不同是The biggest difference between helical CT scan and non-helical CT scan is

A:曝光参数Exposure parameters
B:被检者体位Subject position
C:模数转换方式methods of A/D conversion
D:数据采集方式methods of data acquisition
E:图像的后处理Post processing of images
答案: 数据采集方式methods of data acquisition

3、 CT的全称，正确的是The Full name of CT is

A:计算机扫描摄影Computed radiography
B:计算机体层摄影Computed tomography
C:计算机辅助断层摄影Computer aided tomography
D:计算机横断面体层扫描Computer cross-sectional tomography
E:计算机横断面轴向体层摄影Computer cross-section axial tomography
答案: 计算机体层摄影Computed tomography

4、 CT与传统X线检查相比，相同点是What is the similarity between CT and radiography?

A:成像原理Imaging principle
B:成像方式Imaging method
C:成像能源Imaging medium
D:图像显示Image display
E:检查方法Inspection method
答案: 成像能源Imaging medium

5、 计算CT值的公式是根据The formula of CT value is based on

A:水的质量衰减系数Mass attenuation coefficient of water
B:水的线性衰减系数Linear attenuation coefficient of water
C:水的电子密度Electron density of water
D:水的密度Water density
E:空气的质量衰减系数Mass attenuation coefficient of air
答案: 水的线性衰减系数Linear attenuation coefficient of water

6、 空气的CT值是The CT value of the air is

A:0
B:1000
C:-1000
D:100
E:-100
答案: -1000

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