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Radiation Protection in Medical Imaging-
Study Guide Questions With Correct Answers
100% Verified.
First recorded fatality in the US caused by the cumulative radiation exposure from x-rays. -
Answer✔Clarence Daily
_____ energy can produce changes in atomic structure by creating positively or negatively
charged atoms. - Answer✔Ionizing
Bremsstrahlung radiation is created when the electron stream interacts with the ___ of an
atom - Answer✔nucleus
A beta particle is created when an unstable isotope with too many neutrons emits a(n) ____
from its nucleus. - Answer✔electron
What are 3 ways that x-ray photons can interact with matter? - Answer✔1. coherent scattering
2. Compton effect
3. photoelectric effect
Scattered radiation that can travel in any direction from its point of origin is considered -
Answer✔isotropic
Within the diagnostic imaging department, patient dose is measured in radiation absorbed
dose (rad) or ____. - Answer✔Gray (Gy)
Larger and more damaging particles such as alpha particles are assigned a high relative biologic
effectiveness (RBE) of ____. - Answer✔20
An optically stimulated luminescence dosimeter is similar to a thermoluminescent dosimeter
with the exception that, when read, the crystals within the device are stimulated by the light of
a ____ instead of heat. - Answer✔laser
Radiation workers are allowed a yearly total body dose of ___ mSv. - Answer✔50
1
Radiation Protection in Medical Imaging-
Study Guide Questions With Correct Answers
100% Verified.
First recorded fatality in the US caused by the cumulative radiation exposure from x-rays. -
Answer✔Clarence Daily
_____ energy can produce changes in atomic structure by creating positively or negatively
charged atoms. - Answer✔Ionizing
Bremsstrahlung radiation is created when the electron stream interacts with the ___ of an
atom - Answer✔nucleus
A beta particle is created when an unstable isotope with too many neutrons emits a(n) ____
from its nucleus. - Answer✔electron
What are 3 ways that x-ray photons can interact with matter? - Answer✔1. coherent scattering
2. Compton effect
3. photoelectric effect
Scattered radiation that can travel in any direction from its point of origin is considered -
Answer✔isotropic
Within the diagnostic imaging department, patient dose is measured in radiation absorbed
dose (rad) or ____. - Answer✔Gray (Gy)
Larger and more damaging particles such as alpha particles are assigned a high relative biologic
effectiveness (RBE) of ____. - Answer✔20
An optically stimulated luminescence dosimeter is similar to a thermoluminescent dosimeter
with the exception that, when read, the crystals within the device are stimulated by the light of
a ____ instead of heat. - Answer✔laser
Radiation workers are allowed a yearly total body dose of ___ mSv. - Answer✔50
1
