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RADIATION SAFETY-TEST 1 REVIEW QUESTIONS AND ANSWERS
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RADIATION SAFETY-TEST 1 REVIEW QUESTIONS AND ANSWERS
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RADIATION SAFETY-TEST 1 REVIEWQUESTIONS AND ANSWERS
What are four interactions of radiation with matter? - Answer--Electromagnetic (ex:
gamma rays)
-free radical (ex: atom carrying unpaired electron w no charge)
-alpha particle (ex: pos. charged nuclear particle; 2 protons & 2 neutrons; highly
ionizing)
-beta particle (ex: B- or B+)
What is radiation? - Answer-Transfer of energy from one location to another. Ionizing
radiation can be beneficial and destructive.
What are the goals of the radiation protection program? - Answer-•To protect persons
from both short-term and long-term effects of radiation
•To safeguard patients, personnel, and the general public from unnecessary exposure
to ionizing radiation
List three things a radiation protection program is designed to do. - Answer-• Ensure
safety and control of radioactive materials
• Control radiation exposure in controlled and noncontrolled areas
• Provide adequate general protection
Who is responsible for radiation safety program? - Answer-•Each employee who uses
radioactive material
-all technologists in the department, and they should all follow the program's specific
requirements
•Radiation Safety Committee (RSC)
•Radiation Safety Officer (RSO):
-lead NM tech
-radiologist
-health or medical physicist
what is the main responsibility of the RSO (radiation safety officer) - Answer-Rad safety
officer-make sure everyone is following rules as far as staying safe.
How do you become an RSO? - Answer-•Certification by one of the professional boards
approved by the Nuclear Regulatory Commission (NRC)
•Didactic and work experience
•Identification as an authorized user, authorized medical physicist, or authorized health
physicist on the license, with experience in the types of uses for which the individual has
radiation safety officer (RSO) responsibilities
, Rad safety program training what should it include and address?? - Answer-who needs
training
what training
when
how often
Housekeeping and security personel may need instruction? T or F - Answer-True
The only type of radiation is natural occuring? T or F - Answer-False, there is manmade
radiation that is created for specific purposes and they are artificial.
What is the electromagnetic spectrum? - Answer-•Full range of frequencies and
wavelengths of electromagnetic waves. there are two spectrums ionizing and
nonionizing.
what is considered non-ionizing radiation? - Answer-ultraviolet radiation w energy less
than 10 eV
visible light
infrared xray
microwaves
radiowaves.
what is considered ionizing radiation? - Answer-xrays
gamma
ultraviolet radiation w energy greater than 10 eV
what is another form of ionizing radiation? - Answer-particulate radition
what is considered particulate radiation? - Answer-alpha particles
beta particles
neutrons
protons
what are three radiation qualities & what do they do? - Answer-exposure: amount of
ionization produced in air when ionizing radiation is present-expressed in milliroentgen
absorbed dose: •Quantity that specifies the energy given off to a material by any time of
ionizing radiation per unit mass at the point of interest -expressed in milligray
-•Milligray=1/1000 of Gray
effective dose: •Quantity that is a measure of general harm in humans
-•Millisevert equals 1/1000 of a Sievert
what are types of natural radiation? - Answer-terrestrial:Sources of radiation that are in
the soil, water, and vegetation (long lived)
cosmic: •Results from the interaction of particles from outer space with the atmosphere
and high-energy photons from outer space
internal: • caused by naturally occurring radioactivity deposited in the body (potassium)
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