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1. 
Responsible for regulation of the purchase, receipt, use, and disposal of radioactive materials.
A.
UDT
B.
FDA
C.
NRC
D.
CDC
2. 
North Carolina is __________ for federal regulation of radioactive materials
A.
Agreement state
B.
Nonagreement state
C.
Federally recognized
D.
Federally unrecognized
3. 
Authorized users are responsible for supervising individuals working with radioactive materials and establishing dosage activity ranges.
A.
True
B.
False
4. 
The Dose rate measured at _____ is called the Transport index.
A.
5m
B.
10m
C.
2m
D.
1m
5. 
DOT triangles: DOT (White I)
A.
At contact not more then 1 mR/hr , at 6ft(2m), NDR
B.
At contact not more then 0.5 mR/hr , at 3ft(1m), NDR
C.
At contact not more then 0.25 mR/hr , at 3ft(1m), NDR
D.
At contact not more then 0.5 mR/hr , at 9ft(3m), NDR
6. 
DOT triangles: DOT (Yellow II)
A.
At contact not more then 500 mR/hr , at 3ft(1m), not more then 10 mR/hr
B.
At contact not more then 5 mR/hr , at 3ft(1m), not more then 1 mR/hr
C.
At contact not more then 10 mR/hr , at 3ft(1m), not more then 0.5 mR/hr
D.
At contact not more then 50 mR/hr , at 3ft(1m), not more then 1 mR/hr
7. 
DOT triangles: DOT III (Yellow III)
A.
At contact not more then 200 mR/hr , at 3ft(1m), not more then 10 mR/hr
B.
At contact not more then 50 mR/hr , at 3ft(1m), not more then 10 mR/hr
C.
At contact not more then 100 mR/hr , at 3ft(1m), not more then 10 mR/hr
D.
At contact not more then 0.75 mR/hr , at 3ft(1m), not more then 1 mR/hr
8. 
Regulates and monitors the manufacture, distribution, safety, and effectiveness of radiopharmaceuticals
A.
UPS
B.
UDT
C.
FDA
D.
NRC
9. 
Minimizing the amount of time spent in radiation area will limit the total radiation received.
A.
True
B.
False
10. 
Formula for Dose rate per unit of time
A.
Total dose = (dose rate) x (time)
B.
Total dose = (dose rate) x 2(time)
C.
Total dose = (dose rate) x (time)/(distance)
D.
Total dose = (dose rate)^2 x (time)/2
11. 
Decreasing distance from a radiation source will decrease the amount of radiation received.
A.
True
B.
False
12. 
Doubling the distance reduces the radiation dose rate to?
A.
1/2 the dose rate
B.
1/8 the dose rate
C.
1/4the dose rate
D.
1/10 the dose rate
13. 
The inverse squared law is expressed as ?
A.
(I1)x(D1)^2 = (I2)x(D2)^2
B.
(I1)x(D1)^2 = (I2)/(D2)^2
C.
2(I1)x(D1)^2 = 2(I2)x(D2)^2
D.
(I1)/(D1)^2 = (I2)/(D2)^2
14. 
Shielding involves the use of a material , typically lead, leaded glass, or Lucite(Acryllic), to absorb the radiation emitted from a source
A.
True
B.
False
15. 
Alpha particles need thick dense materials to stop the energy.
A.
True
B.
False
16. 
Lead vials and syringe shields should not be used for a beta emitter.
A.
True
B.
False
17. 
Bermsstraung radiation ?
A.
results that from the deceleration of the beta particles.
B.
results that from the acceleration of the beta particles.
C.
results that from the deceleration of the gamma particles.
D.
results that from the deceleration of the alpha particles.
18. 
Bermsstraung radiation releases energy in the form of ?
A.
Gamma rays
B.
X-rays
C.
Ultraviolet rays
D.
Microwaves
19. 
X and Gamma rays it is better to use materials like?
A.
Iron, Aluminum, Sand
B.
Lead, Leaded glass, Tungsten
C.
Copper, Brass, Cobalt
D.
Gold, Silver, Mercury
20. 
HVL is?
A.
the thickness of a material required to reduce the radiation intensity to 1/2 its original value.
B.
the thickness of a material required to reduce the radiation intensity to 1/4 its original value
C.
the thickness of a material required to increase the radiation intensity to half its original value
D.
the thickness of a material required to bring the radiation intensity back to its original value
21. 
Internal radiation dose can result when radionuclides are ? (Select all that apply)
A.
Inhaled
B.
Injested
C.
Absorbed
D.
None of these
22. 
Thermoluminescent dosimeter (TLD) are the most commonly used personal dosimeter
A.
True
B.
False
23. 
Thermoluminescent dosimeter (TLD) measure radiation absorbed by?
A.
Making a chirping sound when safety limit is close to being reached.
B.
Emit a quantity of light proportional to the amount of radiation absorbed.
C.
Emit a red light when the amount of radiation absorbed has reached a unsafe level.
D.
Send a alert to your supervisor that you are at the legal safe limit by the NRC standards
24. 
Ring badges should be worn on the ring finger of the nondominant hand, with the crystal facing the palm of the hand.
A.
True
B.
False
25. 
Optically stimulated luminescent dosimeter (OSLD) uses a thin slice of aluminum oxide to detect radiation exposure?
A.
True
B.
False
26. 
Pocket Ionization chambers are?
A.
A pocket sized measurement tool that actively tells you the amount of radiation your exposed to.
B.
A scale in the dosimeter itself or a seperate reading device that provides immediate radiation exposure measurements
C.
A portable attachment to the Geiger counter
D.
Relitvely cheap strip of copper and aluminum that absorbs radiation that is then read by a app connected to your phone.
27. 
OSLDs can be read multiple times and the information is not lost.
A.
True
B.
False
28. 
OSLDs are not durable and can corroded from exposure to too much heat, moisture, and ageing
A.
True
B.
False
29. 
Who requires licensees to develop, document, and implement radiation protection programs that are appropriate for the quantities and types of radioactive materials being used at facilities.
A.
CDC
B.
FDA
C.
NRC
D.
DOT
30. 
Bioassays are?
A.
any measurement of radioactivity that has been internalized by an individual.
B.
any measurement of radioactivity that has been taken from a machine in Nuclear medicine
C.
any measurement of radioactivity that has been collected over a months time
D.
any measurement of radioactivity that has been collected over a period of time from multiple patients receiving the same procedure.
31. 
To check to see if a package delviering a a radioactive material is contaminated a facility must do this within 3 hours of receipt or opening.
A.
a sniff test
B.
a wipe test
C.
a x-ray
D.
a litmus test