第一章 单元测试

1、 问题:What is the relationship between 123I and 124I?( )
选项：
A:Element
B:Nuclide
C:Isotope
D:Isomer
答案: 【
Isotope
】

2、 问题:A nuclide has the same N , Z and energy state .（ ）
选项：
A:对
B:错
答案: 【
对
】

3、 问题:WhenTc m decay into Tc, the mass is changed. （ ）
选项：
A:对
B:错
答案: 【
错
】

4、 问题:Atomic nuclei are spontaneously affected by external influences ，such as temperature, pressure, electromagnetic fields.( )
选项：
A:对
B:错
答案: 【
错
】

5、 问题:Which is true for Gamma decay?( )
选项：
A:It is a type of electromagnetic radiation.
B:The mass number is not changed.
C:The atomic number is changed.
D:99mTc decays into 99Tc is a type of gamma decay.
答案: 【
The atomic number is changed.
】

第二章 单元测试

1、 问题:What part of an imaging system emits light when it has absorbed a photon?（ ）
选项：
A:photomultiplier tube
B:pulse height analyzer
C:scintillation crystal
D:Collimator
答案: 【
scintillation crystal
】

2、 问题:What happens to image size as the distance between a patient and a parallel hole collimator decreases? （ ）
选项：
A:improves
B:worsens
C:does not change
答案: 【
does not change
】

3、 问题:The images acquired as a SPECT camera rotates around
a patient are called: （ ）
选项：
A:reconstructions
B:arcs
C:projections
D:azimuth stops
答案: 【
projections
】

4、 问题:Most of the photons emitted from the radiopharmaceutical which has been administered to a patient: （ ）
选项：
A:do not contribute to the final image
B:are received by the sodium iodide crystal
C:are converted to a voltage signal
D:a and b
E:b and c
答案: 【
do not contribute to the final image
】

5、 问题:A technologist covers the collimator (which is facing the ceiling) with absorbent paper and obtains a uniformity image using a liquid flood source with added 99mTc.A round cold spot is seen on the image. Subsequently the technologist removes the collimator, turns the camera face down and obtains another image using a point source placed on the floor. This image appears uniform.What is the most likely cause of the cold spot on the first image? （ ）
选项：
A:collimator defect
B:decoupled photomultiplier tube
C:subtle crystal crack
D:improper energy peaking
答案: 【
decoupled photomultiplier tube
】

第三章 单元测试

1、 问题:Most radionuclides used in PET scanning are Cyclotron-produced,such as 18F and 11C.( )
选项：
A:对
B:错
答案: 【
对
】

本门课程剩余章节答案为付费内容
本文章不含期末不含主观题！！
本文章不含期末不含主观题！！
支付后可长期查看
有疑问请添加客服QQ 2356025045反馈
如遇卡顿看不了请换个浏览器即可打开
请看清楚了再购买哦，电子资源购买后不支持退款哦
点我支付 ¥5
  已支付？输入手机号或商家订单号阅读