随堂测验
1、【单选题】关于X线的叙述,错误的是( )Regarding the description of X-ray, the mistake one is( )
A、1895年伦琴发现X线In 1895, Roentgen discovered X-ray
B、电子源是X线产生必备条件之一The electron source is a prerequisite for X-ray generation
C、X线具有一定的波长和频率X-rays have certain wavelength and frequency
D、X线通过三棱镜会发生折射X-rays do refract through the prism
2、【单选题】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
随堂测验
1、【单选题】X线通过物质时强度减弱,其衰减符合( )When X-rays travel through a materail, what is the law of its attenuation?( )
A、线性衰减规律Linear decreasing
B、线性增长规律Linear increasing
C、指数增长规律Exponential incresing
D、指数衰减规律Exponential decresing
2、【单选题】导致X线穿过物质时衰减的原因是( )The reason for the attenuation of X-rays through 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
随堂测验
1、【单选题】X线摄影时,想要降低人体的辐射剂量,可以采用( )When having a radiography, if you want to reduce the radiation dose of the human body, you can use( )
A、低能X射线Low energy X-rays
B、高能X射线High energy X-rays
C、长曝光时间long exposure time
D、短曝光时间Short exposure time
2、【单选题】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 effect
C、电子对效应Electron pair effect
D、康普顿效应Compton effect
3、【单选题】低能X射线穿过物质时,主要发生( )When the low energy X-ray passes through the material, the probability of occurrence of ( ) is the highest
A、相干散射Coherent scattering
B、光电效应Photoelectric effect
C、电子对效应Electron pair effect
D、康普顿效应Compton effect
随堂测验
1、【单选题】X射线的穿透能力,与下列哪项无关( )X-rays' penetration ability is independent of which of the following( )
A、物质的原子序数Atomic number of the material
B、物质的厚度Thickness of the material
C、射线的宽窄Width of X-ray beam
D、射线的能量Energy of X-rays
随堂测验
1、【单选题】DR的全称是( )The full name of DR is( )
A、direct radiography
B、digital radiography
C、detector radiography
D、display radiography
2、【单选题】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
3、【单选题】属于DR成像间接转换方式的是( ) ( ) indirectly convert X-ray into electrical signal
A、增感屏 Intensifying screen
B、非晶硒平板探测器 a-Se FPD
C、多丝正比电离室Multi wire proportional ionization chamber(MWPC)
D、碘化色+非晶硅探测器 a-Si FPD
4、【单选题】属于DR成像直接转换方式的部件是( ) ( ) directly converts X-ray into electrical signal
A、碘化色+非晶硅探测器a-Si FPD
B、胶片Film
C、非晶硒平板探测器a-Se FPD
D、增感屏 Intensifying screen
5、【单选题】能将X线直接转换成电子信号的材料是( ) ( ) can convert X-ray into electronic signal directly
A、溴化银AgBr
B、碘化绝CsI
C、非晶硒a-Se
D、非晶硅a-Si
第1讲 单元测验
1、【单选题】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 effect
C、电子对效应Electron pair effect
D、康普顿效应Compton effect
2、【单选题】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
3、【单选题】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、深灰Dark gray
C、浅灰Light gray
D、不确定Uncertain
4、【单选题】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
5、【单选题】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
6、【单选题】又被称为“散射效应”的是( )( ) is also called scattering effect
A、相干散射Coherent scattering
B、光电效应Photoelectric effect
C、康普顿效应Compton effect
D、电子对效应Electron pair effect
7、【单选题】属于DR成像间接转换方式的部件是( )( ) indirectly convert X-ray into electrical signal
A、增感屏 Intensifying screen
B、非晶硒平板探测器a-Se FPD
C、多丝正比电离室Multi wire proportional ionization chamber(MWPC)
D、碘化色+非晶硅探测器a-Si FPD
8、【单选题】属于DR成像直接转换方式的部件是( )( ) directly convert X-ray into electrical signal
A、碘化色+非晶硅探测器a-Si FPD
B、胶片Film
C、非晶硒平板探测器a-Se FPD
D、增感屏 Intensifying screen
9、【单选题】非晶硒平板探测器与非晶硅平板探测器本质区别是( )The essential difference between a-Se FPD and a-Si FPD is that( )
A、信号输出方式不同Different signal output modes
B、图像重建方法不同Different image reconstruction methods
C、图像矩阵大小不同Different image matrix size
D、光电转换过程不同Different photoelectric conversion process
10、【单选题】非晶硅平板探测器中进行光电转换的元件是( )The elements for photoelectric conversion in a-Si FPD( )
A、碘化铯闪烁体CsI scintillation
B、开关二极管Switching diode
C、光电二极管photodiode
D、电容器capacitor
11、【单选题】能将X线直接转换成电子信号的材料是( )( ) can convert X-ray into electronic signal directly
A、溴化银AgBr
B、碘化绝CsI
C、非晶硒a-Se
D、非晶硅a-Si
12、【单选题】普通X线摄影中,骨骼在胶片上是( )What color is the lung on the film after radiography?( )
A、白色White
B、黑色Black
C、深灰色Dark gray
D、不确定Uncertain
13、【填空题】入射X射线能量越大,穿透物体的本领越 。(请填写“大”或者“小”)The greater the incident X-ray energy, the the ability to penetrate the object.( Please fill in larger or smaller)
A、
14、【填空题】物体厚度越大,X射线的穿透本领越 。(请填写大或者小)The greater the thickness of the object, the the X-ray penetration power.( Please fill in larger or smaller)
A、
15、【填空题】物体原子序数越大,X射线的穿透本领越 。(请填写大或者小)The larger the atomic number of the object, the the X-ray penetration power.( Please fill in larger or smaller)
A、
随堂测验
1、【单选题】造影检查的目的是( )The purpose of angiography is( )
A、增加器官或组织的自然密度Increase the natural density of tissues or organs
B、增加器官组织的自然对比度Increase the natural contrast of tissues and organs
C、降低器官组织的自然密度Decrease the natural density of tissues or organs
D、增加器官组织的人工对比度Decrease the natural contrast of tissues and organs
2、【单选题】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
3、【单选题】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
随堂测验
1、【单选题】乳腺钼靶X线摄影的突出特点是( )The 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
2、【单选题】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
随堂测验
1、【单选题】数字减影血管造影基于( )运算What operation does digital subtraction angiography use( )
A、加法Addition
B、减法Subtraction
C、乘法Multiplication
D、除法division
第2讲 单元测验
1、【单选题】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
2、【单选题】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
3、【单选题】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
4、【单选题】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
5、【单选题】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
6、【单选题】造影检查的目的是( )The purpose of angiography is( )
A、增加器官或组织的自然密度Increase the natural density of tissues or organs
B、增加器官组织的自然对比度Increase the natural contrast of tissues and organs
C、降低器官组织的自然密度Decrease the natural density of tissues or organs
D、增加器官组织的人工对比度Decrease the natural contrast of tissues and organs
7、【单选题】下列关于对比剂的说法哪个是正确的( )Which of the following statements about contrast medium is true( )
A、对比剂的作用是形成浓黑的胶片影像The role of contrast agent is to form a thick black film image
B、对比剂的作用是形成淡白的胶片影像The role of contrast agent is to form a light white film image
C、对比剂可以增大待检查组织周围器官的密度差Contrast agent can increase the density difference of organs around the tissue to be examined
D、对比剂不影响待检查部位与周围器官的密度差Contrast agent do not affect the density difference between the part to be examined and the surrounding organs
8、【单选题】产生低能X射线的条件不包括( )The conditions for producing low energy X-rays do not include( )
A、短曝光时间Short exposure time
B、低原子序数靶物质Target material with small atomic number
C、低管电压Small tube potential
D、钼靶Molybdenum target
9、【单选题】X线通过物质时强度减弱,其衰减符合( )When X-rays travel through a materail, what is the law of its attenuation?( )
A、线性衰减规律Linear decreasing
B、指数衰减规律Exponential decresing
C、指数增长规律Exponential incresing
D、线性增长规律Linear increasing
10、【单选题】静脉造影常使用的造影剂是( )What is the commonly used contrast medium for phlebography?
A、二氧化碳Carbon dioxide
B、硫酸钡Barium sulfate
C、碘造影剂Iodine contrast agent
D、空气Air
11、【多选题】下列关于对比剂的说法哪个是正确的( )Which of the following statements about contrast medium is true( )
A、无毒non-toxic
B、物理性质、化学性质稳定。The physical and chemical properties of the contrast agent are stable。
C、易于排泄。The contrast medium is easy to be excreted out of the body。
D、显影效果良好The contrast effect is good。
12、【多选题】关于乳腺X线摄影,说法正确的是( )What are the correct statements about mammography?
A、球管产生低能X射线The X-ray tube produces low-energy X-rays
B、球管产生高能X射线The X-ray tube produces high-energy X-rays
C、软组组对比度高High soft tissue contrast
D、多使用金属钼作为X射线管的阳极靶Metal molybdenum is often used as the anode target of X-ray tube
E、X射线管的阴极和阳极之间是高管电压There is a high voltage between the cathode and anode of the X-ray tube
13、【填空题】光电效应发生时,人体对X射线的吸收能力和 成正比。
A、
14、【填空题】光电效应发生时,人体对的X射线的吸收能力和 成反比。
A、
15、【填空题】数字减影血管造影的英文全称是 。(注:单词之间用空格隔开,单词首字母大写)
A、
16、【填空题】数字减影血管造影要在 前后各拍摄一幅图像。
A、
随堂测验
1、【单选题】CT成像的物理基础是( )The physical basis of CT imaging is( )
A、X线的吸收衰减X-ray attenuation
B、计算机图像重建Computer aided image reconstruction
C、像素的大小Pixel size
D、原始扫描数据Initial scanning data
2、【单选题】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、扫描速度快High scanning speed
3、【单选题】CT是哪一年发明的( )When was X-ray computed tomography invented( )
A、1895
B、1946
C、1963
D、1971
4、【单选题】谁发明了CT( )Who invented CT( )
A、Comark
B、Jodan
C、Housfield
D、Manchester
5、【单选题】水的CT值是( )The CT value of water is ( )
A、0
B、10
C、1000
D、-1000
6、【单选题】空气的CT值是( )The CT value of air is ( )
A、-1000
B、1000
C、0
D、-100
7、【单选题】致密骨的CT值是( )The CT value of dense bone is ( )
A、-1000
B、1000
C、0
D、100
随堂测验
1、【单选题】与普通X线摄影相比,CT最突出的优点是( )Compared with ordinary X-rayphotography, the most prominent advantage of CT is( )
A、断层成像Tomography
B、数字化图像Digital image
C、辐射剂量小Low radiation dose
D、空间分辨率高High spatial resolution
2、【单选题】与非螺旋CT扫描相比,螺旋CT扫描最大的特点是( )Compared with non-helical CT scans, the biggest feature of spiral CT scans is( )
A、曝光参数Exposure parameter
B、被检者体位Subject position
C、模数转换方式A / D conversion method
D、数据采集方式data acquisition method
3、【单选题】螺旋CT使用的X射线束是( )The X-ray beam used in spiral CT is ( )
A、薄扇形束Thin fan beam
B、厚扇形束Thick fan bundle
C、笔直射线束Pencil beam
D、窄扇形束Narrow fan beam
4、【多选题】多层螺旋CT之所以球管旋转一周获得多幅图像,是因为它有( )The reason why multi-slice spiral CT can obtain multiple images by rotating the tube in one circle is that it has ( )
A、厚扇形束Thick fan beam
B、多排探测器multi-detector
C、多个数据采集系统Multiple data acquisition systems
D、多个计算机Multiple computers
5、【多选题】多层螺旋CT的优点有哪些?( )What are the advantages of MSCT?( )
A、扫描速度快Fast scanning speed
B、图像质量好Good image quality
C、球管旋转一周获得的图像多Multiple images can be obtained in one scanning cycle
D、患者受到的辐射剂量小Small radiation dose to the patient
随堂测验
1、【单选题】CT和DR的相同点是( )The similarity between CT and Dr is ( )
A、都是反射成像Both are reflection imaging
B、都是对吸收衰减系数μ的重建Both are reconstruction of absorption attenuation coefficient μ
C、都使用了X射线作为成像介质Both use X-rays as the imaging medium
D、都能看清组织结构之间的位置关系Both can show clearly the relationship between organizational structures
2、【单选题】以下说法正确的是( )Which of the following statements is correct? ( )
A、在DR胸部影像上,能够清晰地看出心脏Heart can be seen clearly from DR images of chest
B、在CT图像上,骨骼是白色的,肺是深灰(黑)色的On CT images, the bones are light and the lungs are dark
C、在DR影像上,骨骼是黑色的,肺是白色的On DR images, the bones are black and the lungs are gray
D、在普通CT影像上,能看清楚血管Blood vessels can be seen clearly from CT images
3、【单选题】股骨骨折采用哪种检查方式?( )What kind of imaging examination should be used for femoral fracture?( )
A、DR
B、CT
C、B超
D、MRI
4、【单选题】肺癌筛查应该采用哪种影像检查方式( )What kind of examination should be used in lung cancer screening( )
A、低剂量螺旋CTLow dose spiral CT(LDCT
B、DR
C、B超
D、MRI
第3讲 单元测验
1、【单选题】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
2、【单选题】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
3、【单选题】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
4、【单选题】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
5、【单选题】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
6、【单选题】空气的CT值是( )The CT value of the air is( )
A、0
B、1000
C、-1000
D、100
E、-100
7、【单选题】CT值的单位是( )The unit of CT value is( )
A、KV
B、HU
C、mA
D、L
E、W
8、【单选题】CT值定义公式中的常数k应该是( )The constant k in the definition formula of CT value is( )
A、500
B、1000
C、100
D、10
9、【单选题】多层螺旋CT机架旋转一周获取多幅图像是因为( )The reason why the gantry of the multi-slice spiral CT rotates once to obtain multiple images is( )
A、厚扇形束Thick fan-shaped beam
B、在人体长轴方向有多排探测器Multi-slice spiral CT has multiple rows of detectors in the long axis direction of the human body
C、有多个数据采集系统Multi-slice spiral CT has multiple data acquisition systems
D、多层螺旋CT造价高Multi-slice spiral CT is expensive
E、多层螺旋使用螺旋扫描Multi-layer spiral using spiral scanning
10、【单选题】双源CT的”源“指的是( )The source of dual-source CT refers to( )
A、电源power source
B、X射线源X-ray source
C、图像源Image source
D、数据源data source
11、【单选题】肺癌筛查适合采用( )which is suitable for screening lung cancer?( )
A、DR
B、双源CTDSCT
C、多层螺旋CTMSCT
D、低剂量螺旋CTLSCT
12、【单选题】CT图像重建过程是围绕着( )展开的。CT image reconstruction is carried out around ( ).
A、衰减系数μ的计算Calculation of attenuation coefficient μ
B、解剖图像的获取Acquisition of anatomical image
C、投影数据的处理Processing of projection data
D、X射线的扫描方式X-ray scanning method
13、【单选题】CT的发明人是( )The inventor of CT is ( )
A、考迈克Cormark
B、莱德雷Lederer
C、安博若斯Ambrose
D、亨斯菲尔德Hounsfield
14、【单选题】CT值主要与下述那一项有关( )CT value is mainly related to which of the following ( )
A、原子序数Atomic number
B、氢浓度Hydrogen concentration
C、物质密度Material density
D、物质对X线的线性衰减系数Linear attenuation coefficient of substance to X-ray
15、【单选题】螺旋CT扫描和非螺旋CT扫描最大的不同是 What is the biggest difference between spiral CT and non spiral CT
A、曝光参数Exposure parameters
B、被检者体位Subject position
C、模数转换方式 A / D conversion mode
D、数据采集方式Data acquisition method
E、图像的后处理Post processing of image
16、【单选题】多层螺旋CT简称( )Multi slice spiral CT is abbreviated as ( )
A、MSCT
B、SSCT
C、TR
D、DCCT
E、LXCT
17、【单选题】下列关于多层螺旋CT的优点,错误的是( )Which of the following is wrong about the advantages of MSCT( )
A、沿Z轴方向有较大的覆盖范围There is a large coverage along the z-axis
B、一次扫描可采集多层数据信息One scan can collect multi-layer data information
C、可提高时间分辨率It can improve the time resolution
D、可提高密度分辨率It can improve the density resolution
E、图像后处理功能更强More powerful image post-processing
18、【单选题】致密骨的CT值是( )The CT value of dense bone is ( )
A、-1000
B、1000
C、0
D、500
E、800
19、【单选题】CT成像的物理基础是( )The physical basis of CT imaging is( )
A、物质对X线的吸收衰减Attenuation of X-ray absorption by substance
B、计算机图像重建Computer aided image reconstruction
C、像素的大小Pixel size
D、原始扫描数据Initial scanning data
20、【单选题】螺旋CT使用的X射线束是( )The X-ray beam used in spiral CT is ( )
A、薄扇形束Thin fan beam
B、厚扇形束Thick fan beam
C、窄扇形束Narrow fan beam
D、笔直射线束Pencil beam
21、【多选题】多层螺旋CT的优点有哪些?( )What are the advantages of MSCT?( )
A、扫描速度快Fast scanning speed
B、图像质量好Good image quality
C、球管旋转一周获得的图像多Multiple images can be obtained in one scanning cycle
D、患者受到的辐射剂量小Small radiation dose to the patient
22、【多选题】下列关于多层螺旋CT的说法中,正确的是( )The following statements correct on multi-layer spiral CT include( )
A、多个计算机Multiple computers
B、多个数据采集系统Multiple data acquisition systems
C、多排探测器Multi row detector
D、厚扇形束Thick fan beam
23、【填空题】多层螺旋CT的优点可以总结为四个字 。The advantages of multi-slice spiral CT can be summarized in four words 。
A、
24、【填空题】螺旋CT的扫描方式称为 The scanning method of spiral CT is called
A、
随堂测验
1、【单选题】接收超声是利用( )Ultrasonic receiving is based on the ( )
A、电离辐射Ionizing radiation
B、逆压电效应Electrostrictive effect
C、压电效应Piezoelectric effect
D、光电效应Photoelectric effect
2、【单选题】发射超声是利用( )Ultrasonic emission is based on the ( )
A、压电效应Piezoelectric effect
B、逆压电效应Electrostrictive effect
C、康普顿效应Compton effect
D、电离辐射Ionizing radiation
随堂测验
1、【单选题】超声波是指频率超过( )的声波Ultrasound refers to sound waves with a frequency exceeding ( )
A、10kHz
B、20kHz
C、10MHz
D、20MHz
2、【单选题】声阻抗最大的是( )Which tissue has the highest acoustic impedance?
A、颅骨skull
B、肺lung
C、肌肉muscle
D、血液blood
3、【单选题】超声检查时涂抹耦合剂的原因是( )The reason why the coupling agent is applied during ultrasonic examination is that( )
A、降低人体温度Reduce body temperature
B、减少探头移动的阻力Reduce the resistance when the probe moves
C、排除探头和皮肤之间的空气Remove air between the probe and skin
D、消毒Disinfect
随堂测验
1、【单选题】在B超图像上,回波信号显示为( )In B-mode ultrasound image, the returning echo pulse are displayed as ( )
A、脉冲pulse
B、灰度点gray dots
C、亮点bright dots
D、闪烁点blips
2、【单选题】脏器的轮廓信息是通过( )获得的The contour information of organs is obtained by ultrasonic( )
A、反射回波Reflection echo
B、散射回波Scattering echo
C、衍射diffraction
D、透射transmission
3、【单选题】脏器的内部的结构信息是通过( )获得的。The internal structure information of organs is obtained by ultrasonic ( )
A、反射回波Reflection echo
B、散射回波Scattering echo
C、衍射diffraction
D、透射transmission
随堂测验
1、【单选题】在彩色多普勒图像中,蓝色代表( )In colre mapped Doppler images, the blue areas show ( )
A、静脉血Venous blood
B、病变pathological changes
C、动脉血Arterial blood
D、背向探头的血液Blood flow away from the transducer
2、【单选题】在彩色多普勒图像中,红色代表( )In colre mapped Doppler images, the red areas show ( )
A、背向探头的血液Blood flow away from the transducer
B、动脉血Arterial blood
C、病变pathological changes
D、朝向探头的血液Blood flow towards the transducer
随堂测验
1、【单选题】四维超声比三超声增加的维度是( )The dimension of four-dimensional ultrasound over three-dimensional ultrasound is( )
A、时间维度time dimension
B、能量维度energy dimension
C、色彩维度color dimension
D、穿透纸张方向的空间维度spatial dimension
2、【单选题】适合采用超声检查的组织(器官)是( )Which tissue or organ can be examined by ultrasound( )
A、颅骨Skull
B、肺Lung
C、肌肉Muscle
D、大肠Large intestine
第4讲 单元测验
1、【单选题】一般人们把声音频率超过( )的声波称为超声波Ultrasound refers to sound waves with a frequency exceeding( )
A、10kHz
B、20kHz
C、10MHz
D、20MHz
E、20Hz
F、2000Hz
2、【单选题】B超图像上,回波信号显示为( )In B-mode ultrasound image, the returning echo pulse are displayed as( )
A、脉冲Pulse
B、直线line
C、亮点bright pots
D、闪烁点blips
E、一维调制one dimension modulation
F、运动调制motion modulation
3、【单选题】在B超成像中,对组织器官轮廓的显示主要取决于( )In B-ultrasound imaging, the display of tissue and organ contours depends mainly on( )
A、反射Reflection
B、衍射Diffraction
C、折射refraction
D、透射transmission
E、散射Scattering
4、【单选题】彩色多普勒显像的血流信号的特点是( )The characteristic of the blood signal in color mapped Doppler image is( )
A、红色是静脉血,蓝色是动脉血red - Venous blood flow; blue-Arterial blood flow
B、红色是正常血流,绿色是异常血流red - normal blood flow; blue- abnormal blood flow
C、红色是动脉血,蓝色是静脉血blue - Venous blood flow; red - Arterial blood flow
D、红色是血流朝向探头,蓝色是血流背向探头red - blood flow toward the transducer; blue - blood flow away from the tranducer
E、红色是血流背向探头,蓝色是血流朝向探头red - blood flow away from the transducer; blue - blood flowtoward the tranducer
5、【单选题】B超不能检查的部位是( )Which tissues or organs cannot be examined by B-ultrasound?( )
A、盆腔积液Pelvic effusion
B、胃肠道Gastrointestinal
C、心脏Heart
D、脾脏Spleen
E、头部Head
F、肝脏Liver
6、【单选题】多普勒超声血流检测技术不能用于确定( )Duplex scanning cannot be used to determine( )
A、血流速度Speed of blood
B、血流方向Direction of blood
C、血流黏度Viscosity of blood
D、血流流量blood flow
7、【单选题】B超声像图中,能形成强回波,其后方留有声影的是( )In the B ultrasound image, what can form a shadow is( )
A、脂肪Fat
B、膀胱Bladder
C、骨骼Bone
D、结石Lithiasis
E、癌变组织Cancerous tissue
8、【单选题】超声检查时涂抹耦合剂的原因是( )The reason why the coupling agent is applied during ultrasonic examination is that( )
A、降低人体温度Reduce body temperature
B、减少探头移动的阻力Reduce the resistance when the probe moves
C、排除探头和皮肤之间的空气Remove air between the probe and skin
D、消毒Disinfect
9、【单选题】接收超声是利用( )Ultrasonic receiving is based on the ( )
A、电离辐射Ionizing radiation
B、逆压电效应Electrostrictive effect
C、压电效应Piezoelectric effect
D、光电效应Photoelectric effect
10、【单选题】四维超声比三超声增加的维度是( )The dimension of four-dimensional ultrasound over three-dimensional ultrasound is( )
A、时间维度time dimension
B、能量维度energy dimension
C、色彩维度color dimension
D、穿透纸张方向的空间维度spatial dimension
11、【单选题】适合采用超声检查的组织(器官)是( )Which tissue or organ can be examined by ultrasound( )
A、颅骨Skull
B、胃Stomach
C、肌肉Muscle
D、大肠Large intestine
12、【单选题】发射超声是利用( )Ultrasonic emission is based on the ( )
A、压电效应Piezoelectric effect
B、逆压电效应Electrostrictive effect
C、康普顿效应Compton effect
D、电离辐射Ionizing radiation
13、【单选题】声阻抗最大的是( )Which tissue has the highest acoustic impedance?
A、颅骨Skull
B、肺Lung
C、血液Blood
D、肌肉Muscle
E、脂肪Fat
14、【单选题】根据超声成像的基本原理,当超声波在某生物组织中的传播速度为1540 m·s-1,接收一个脉冲回波的所用时间为0.02ms,则产生该回波的生物组织的深度是( )According to the basic principle of ultrasound imaging, when the propagation velocity of ultrasound in a biological tissue is 1540 m·s-1 and the time taken to receive a pulse echo is 0.02 ms, the depth of the biological tissue that generates the echo is
A、1.54m
B、1.54cm
C、3.08m
D、3.08cm
15、【单选题】超声波是一种( )Ultrasound is a kind of ( )
A、电磁波electromagnetic wave
B、机械波Mechanical wave
C、低频波Low frequency wave
D、电波Radio wave
16、【单选题】脏器的内部的结构信息是通过( )获得的。The internal structure information of organs is obtained by ultrasonic ( )
A、反射回波Reflection echo
B、透射Transmission
C、散射回波Scattering echo
D、衍射Diffraction
17、【单选题】当血流速度增快,流量加大时,彩超图像上血流信号的特点是:( )When both the velocity of blood flow and the flow rate increase, the characteristic of blood flow signals on color Doppler ultrasound images is:( )
A、亮度提高Brightness increase
B、亮度降低Brightness decrease
C、亮度不变Brightness unchanged
D、都不对All are wrong
18、【判断题】妇女怀孕期间可以进行多次B超检查。Women can have multiple B-ultrasound examinations during pregnancy.
A、正确
B、错误
19、【判断题】彩色多普勒图像上的彩色表示真实的颜色。
A、正确
B、错误
20、【填空题】B超的适应症可以总结为八个字: The indications of B-ultrasound can be summarized into eight words:
A、
21、【填空题】请写出一个没有电磁辐射的医学影像检查方式: Please write a medical imaging examination method without electromagnetic radiation:
A、