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Questions and Answers
Which radioactive source was used in the first teletherapy units for radiation therapy?
Which radioactive source was used in the first teletherapy units for radiation therapy?
- Neutron beam
- Electron LINAC
- Cobalt-60 (correct)
- Betatron
Who designed the first electron LINAC for radiation therapy?
Who designed the first electron LINAC for radiation therapy?
- Glen Seaborg
- Kerst
- John Livingood
- Harold E. Johns (correct)
Which unit was used for superficial treatment during the 1930s to 1950s?
Which unit was used for superficial treatment during the 1930s to 1950s?
- Cobalt bomb
- Cyclotron
- Orthovoltage (correct)
- Rad
Who constructed the betatron, a generator for radiation therapy?
Who constructed the betatron, a generator for radiation therapy?
In what year was the rad adopted as the unit of absorbed dose for any ionizing radiation?
In what year was the rad adopted as the unit of absorbed dose for any ionizing radiation?
Which term was used to describe the computed tomography method before it was known as CAT or CHAT?
Which term was used to describe the computed tomography method before it was known as CAT or CHAT?
What is the main difference between conventional imaging and computed tomography?
What is the main difference between conventional imaging and computed tomography?
Which inventor is credited with the invention of CT's cut/slice axial/transverse to the detector?
Which inventor is credited with the invention of CT's cut/slice axial/transverse to the detector?
What is the purpose of the rotating fan beam in computed tomography?
What is the purpose of the rotating fan beam in computed tomography?
Where is the XRT and detector array located in computed tomography?
Where is the XRT and detector array located in computed tomography?
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