Which of the following bodies regulates the transportation of radiopharmaceuticals?
CORRECT ANSWER
DOT
Which of the following bodies regulates the use of investigational pharmaceuticals?
CORRECT ANSWER
FDA
In the event of a spill of 99m Tc to clothes, one should immediately:
CORRECT ANSWER
Remove and store the clothes until they decay to background
If a radiopharmaceutical is spilled on the floor, the first priority is to:
CORRECT ANSWER
Cover the area with absorbent paper and restrict access around it
The inverse square law, in words, says:
CORRECT ANSWER
if you double the distance from the source of activity, you reduce exposure to 25% of the original
intensity
,What is the best way to decrease the radioactive dose to visitors if a patient is surveyed to emit 3 mR/h
at bedside?
CORRECT ANSWER
Have the visitor sit or stand as far as possible from bedside
Which of the following isotopes would be effectively shielded in a plastic syringe?
CORRECT ANSWER
89 Sr
What is the NRC annual dose limit allowed to the lens of the eye?
CORRECT ANSWER
15 rem
Which of the following should be used when administering an intravenous pharmaceutical to a patient?
CORRECT ANSWER
Gloves
Which of the following is the most effective means of measuring low levels of removable
contamination?
CORRECT ANSWER
By performing a wipe test
,What is the dose rate limit at the package surface for a shipment of radioactive material bearing a
Yellow-III label?
CORRECT ANSWER
200 mR/h
Which of the following measures absorbed doses?
CORRECT ANSWER
Gray
The philosophy of the ALARA program is the keep the radiation dose:
CORRECT ANSWER
As low as reasonably achievable
All of the following are critical factors in keeping radiation exposure to a minimum except:
CORRECT ANSWER
Geometry of the container holding the source of radiation
Gaseous radiopharmaceuticals may only be used in rooms that:
CORRECT ANSWER
Are at a negative pressure compared to surrounding rooms
A spill of 99m Tc increases the exposure rate in a room from 1.7 to 3.15 mR/h. The room is posted with a
sign reading "Caution-Radioactive Materials". What would be the ideal solution?
CORRECT ANSWER
, Place absorbent paper over the spill and close the room until the activity has decayed
A technologist has 500 mrem registered on his ring badge in 1 month. What should be done to decrease
exposure in the future.
CORRECT ANSWER
Use lead pigs and syringe shields when preparing radiopharmaceuticals.
OSHA requires that personnel exposure records be provided to employees:
CORRECT ANSWER
Annually
A room containing a 57 Co sheet source is posted with a sign reading "Caution-Radioactive Materials."
The exposure rate read next to the source is 5.2 mR/h. What should be done?
CORRECT ANSWER
Change the sign to one reading "Caution-Radiation Area"
A technologist discovers that a patient in the room next to a radioiodine therapy will receive 2.5 mrem/h
when lying in his bed which is against the shared wall. What should be done?
CORRECT ANSWER
Move the bed to the other side of the room
What is the dose rate limit at the surface of a package bearing a DOT Class I White label?
CORRECT ANSWER
0.5 mR/h
CORRECT ANSWER
DOT
Which of the following bodies regulates the use of investigational pharmaceuticals?
CORRECT ANSWER
FDA
In the event of a spill of 99m Tc to clothes, one should immediately:
CORRECT ANSWER
Remove and store the clothes until they decay to background
If a radiopharmaceutical is spilled on the floor, the first priority is to:
CORRECT ANSWER
Cover the area with absorbent paper and restrict access around it
The inverse square law, in words, says:
CORRECT ANSWER
if you double the distance from the source of activity, you reduce exposure to 25% of the original
intensity
,What is the best way to decrease the radioactive dose to visitors if a patient is surveyed to emit 3 mR/h
at bedside?
CORRECT ANSWER
Have the visitor sit or stand as far as possible from bedside
Which of the following isotopes would be effectively shielded in a plastic syringe?
CORRECT ANSWER
89 Sr
What is the NRC annual dose limit allowed to the lens of the eye?
CORRECT ANSWER
15 rem
Which of the following should be used when administering an intravenous pharmaceutical to a patient?
CORRECT ANSWER
Gloves
Which of the following is the most effective means of measuring low levels of removable
contamination?
CORRECT ANSWER
By performing a wipe test
,What is the dose rate limit at the package surface for a shipment of radioactive material bearing a
Yellow-III label?
CORRECT ANSWER
200 mR/h
Which of the following measures absorbed doses?
CORRECT ANSWER
Gray
The philosophy of the ALARA program is the keep the radiation dose:
CORRECT ANSWER
As low as reasonably achievable
All of the following are critical factors in keeping radiation exposure to a minimum except:
CORRECT ANSWER
Geometry of the container holding the source of radiation
Gaseous radiopharmaceuticals may only be used in rooms that:
CORRECT ANSWER
Are at a negative pressure compared to surrounding rooms
A spill of 99m Tc increases the exposure rate in a room from 1.7 to 3.15 mR/h. The room is posted with a
sign reading "Caution-Radioactive Materials". What would be the ideal solution?
CORRECT ANSWER
, Place absorbent paper over the spill and close the room until the activity has decayed
A technologist has 500 mrem registered on his ring badge in 1 month. What should be done to decrease
exposure in the future.
CORRECT ANSWER
Use lead pigs and syringe shields when preparing radiopharmaceuticals.
OSHA requires that personnel exposure records be provided to employees:
CORRECT ANSWER
Annually
A room containing a 57 Co sheet source is posted with a sign reading "Caution-Radioactive Materials."
The exposure rate read next to the source is 5.2 mR/h. What should be done?
CORRECT ANSWER
Change the sign to one reading "Caution-Radiation Area"
A technologist discovers that a patient in the room next to a radioiodine therapy will receive 2.5 mrem/h
when lying in his bed which is against the shared wall. What should be done?
CORRECT ANSWER
Move the bed to the other side of the room
What is the dose rate limit at the surface of a package bearing a DOT Class I White label?
CORRECT ANSWER
0.5 mR/h
