RADIATION SAFETY NMTCB PRACTICE QUESTIONS AND ANSWERS 100% VERIFIED
2 views 0 purchase
Course
RADIATION SAFETY NMTCB
Institution
RADIATION SAFETY NMTCB
RADIATION SAFETY NMTCB PRACTICE QUESTIONS AND ANSWERS 100% VERIFIEDRADIATION SAFETY NMTCB PRACTICE QUESTIONS AND ANSWERS 100% VERIFIEDRADIATION SAFETY NMTCB PRACTICE QUESTIONS AND ANSWERS 100% VERIFIED
NRC Occupational exposure of Whole body - ANSWER-50 msv/year
5 rem/year
NRC Occupational exp...
Caution: Radioactive Materials (sign) - ANSWER--Where radioactive materials are used
or stored
-Usually in entrances of labs or depts
Caution: Radiation Area (sign) - ANSWER--Where individual can receive more than .05
msv (5rem) in 1 hour
-Seen in entrances to nuc med labs
Caution: High Radiation Area (sign) - ANSWER--Individual can receive more than 1msv
(100rem) in 1 hour
-Commonly where radiation therapy is performed
Grave Danger: Very High Radiation Area (sign) - ANSWER--Individual can receive an
absorbed dose of more than 5 gy (500rad) in 1 hour
-Not usually in hospital setting
Unrestricted area - ANSWER--Individual can receive less than .02 msv (2rem) in 1 hour
-(example, reception and waiting area)
, Inverse square law (distance) - ANSWER-By doubling the distance the radiation dose
rate is reduced to 1/4 of the original
Inverse square law (distance) equation - ANSWER-(Intensity 1)(Density 1)^2=(Intensity
2)(Density2)^2
DOT White 1 - ANSWER--Surface no more than .5 mR/hr
-1 meter (3ft) no detected radioactivity
DOT Yellow 2 - ANSWER--Surface no more than 50 mR/hr
-1 meter (3ft) no more than 1 mR/hr
DOT Yellow 3 - ANSWER--Surface no more than 200 mR/hr
-1 meter (3ft) no more than 10 mR/hr
Highest amount of the activity which can be counted accurately in the well counter is -
ANSWER-10^-6 Ci
What is the maximum acceptable hourly exposure for a radiation occupational worker -
ANSWER-2 mR/hr
All packages containing non-gaseous radioactive materials must have a wipe test done.
What is the area to be wiped - ANSWER-300cm^2
The annual exposure maximum for an occupational radiation worker - ANSWER-50 msv
1msv = ? mrem - ANSWER-100
Personnel must survey what parts of their body before leaving facility? - ANSWER-feet
and hands
Procedure for minor spills - ANSWER--notify personnel
- contain spill with absorbent
-remove any contaminated clothing and wash skin
-wear gloves and shoe covers
-place materials into plastic bags
-use survey meter and wipe test
-label bags
-report to RSO
Procedure for major spills - ANSWER--clear area and notify personnel
-absorbent paper to prevent spreading
-limit movement of contaminated personnel and remove contaminated clothing
- evacuate, close, and lock all doors to area
-notify RSO, cleanup and decontaminate under RSO supervision
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NursingTutor1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
