MIDTERM PT. 4 Flashcards
RADIOACTIVE PACKAGES SHOULD BE DELIVERED DIRECTLY TO ______ TO AVOID UNNECESSARY EXPOSURE TO PXNS AND STAFFS
HOT LABORATORY
ONCE A RADIOACTIVE PACKAGE HAS BEEN RECEIVED, IT MUST BE MONITORED FOR CONTAMINATION WITHIN ___ HOURS FROM DELIVERY TIME
3
-look for signs of damage
-using GM counter in mR/HR UNIT
DURING INSPECTION
IS PERFORMED AT THE SURFACE OF THE PACKAGE AND AT 1 METER FROM THE PACKAGE
EXTERNAL SURVEY
SWABBING AROUND THE SURFACE WITH COTTON BALL AND MEASURE THE POSSIBLE ACTIVITY IN THE WELL COUNTER
WIPE TEST
SURFACE SURVEY:
EXPOSURE LIMITS= ___
< 200 mR/hr
ACTIVITY AT 1M:
EXPOSURE LIMITS= ___
< 10 mR/hr
WIPE TEST:
EXPOSURE LIMITS= ___
6600 dpm/ 300 cm^2
Intravenous: __
veins
intrathecal: ___
spinal canal
Intraarterial: ___
artery
the generator can be eluted or “milked” more than once per day after elution
Molybdenum/ Technicium 99m Generator
the 66 hours half-life of Mo99 allows generator to be used for __ weeks
2
means to wash out or extract
elute
Molybdenum/ Technicium 99m Generator:
50%= __
75%=__
100%=__
4 hours
8.5 hours
23 hours