1. Which of the following bodies regulates transportation of radiopharmaceuticals?
(a) NRC
(b) DOT
(c) TJC
(d) FDA
ANSWER
(b) DOT
2. Which of the following bodies regulates the use of investigational pharmaceuticals?
(a) NRC
(b) DOT
(c) IRB
(d) FDA
ANSWER
(d) FDA
3. In the event of a spill of 99mTc to clothes, one should immediately:
(a) Enter a shower fully clothed.
(b) Remove and store the clothes until they decay to background.
(c) Wash the clothes in hot water and then survey them to
determine remaining activity.
(d) Remove and destroy the clothing.
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, ANSWER
(b) Remove and store the clothes until they decay to background.
4. If a radiopharmaceutical is spilled on the floor, the first priority is to:
(a) Contact the Radiation Safety Officer.
(b) Pour a chelating solution over the area of the spill.
(c) Cover the area with absorbent paper and restrict access around it
(d) Call the housekeeping department to arrange for cleaning.
ANSWER
(c) Cover the area with absorbent paper and restrict access around it
5. The inverse square law, in words, says:
(a) If you double the distance from the source of activity, you reduce exposure to 25% of the
original intensity.
(b) If you halve the distance from the source of activity, you decrease exposure to 25% of the
original intensity.
(c) If you halve the distance from the source of activity, you decrease exposure to one-fourth
of the original intensity.
ANSWER
(a) If you double the distance from the source of activity, you reduce exposure to 25% of the
original intensity.
6. What is the best way to decrease the radioactive dose to visitors if a patient is surveyed to
emit 3 mR/h at bedside?
(a) Have the patient wear lead aprons.
(b) Keep the patient well hydrated and encourage frequent voiding.
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(a) NRC
(b) DOT
(c) TJC
(d) FDA
ANSWER
(b) DOT
2. Which of the following bodies regulates the use of investigational pharmaceuticals?
(a) NRC
(b) DOT
(c) IRB
(d) FDA
ANSWER
(d) FDA
3. In the event of a spill of 99mTc to clothes, one should immediately:
(a) Enter a shower fully clothed.
(b) Remove and store the clothes until they decay to background.
(c) Wash the clothes in hot water and then survey them to
determine remaining activity.
(d) Remove and destroy the clothing.
1
, ANSWER
(b) Remove and store the clothes until they decay to background.
4. If a radiopharmaceutical is spilled on the floor, the first priority is to:
(a) Contact the Radiation Safety Officer.
(b) Pour a chelating solution over the area of the spill.
(c) Cover the area with absorbent paper and restrict access around it
(d) Call the housekeeping department to arrange for cleaning.
ANSWER
(c) Cover the area with absorbent paper and restrict access around it
5. The inverse square law, in words, says:
(a) If you double the distance from the source of activity, you reduce exposure to 25% of the
original intensity.
(b) If you halve the distance from the source of activity, you decrease exposure to 25% of the
original intensity.
(c) If you halve the distance from the source of activity, you decrease exposure to one-fourth
of the original intensity.
ANSWER
(a) If you double the distance from the source of activity, you reduce exposure to 25% of the
original intensity.
6. What is the best way to decrease the radioactive dose to visitors if a patient is surveyed to
emit 3 mR/h at bedside?
(a) Have the patient wear lead aprons.
(b) Keep the patient well hydrated and encourage frequent voiding.
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