IRRSP TEST QUESTIONS 2024-2025 |ACTUAL COMPLETE EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS )
ALREADY GRADED A+.
what particles make up particulate radiation - ANSWER-Beta (e-) and
alpha partciles
atomic mass-atomic number= - ANSWER-number of neutrons
what is the atomic mass - ANSWER-neutrons plus protons ( A
number)
what is the atomic number - ANSWER-number of protons (Z number)
what are the two types of gamma sources - ANSWER-artificial and
natural
how many protons and neutrons do alpha particles have - ANSWER-2
protons two neutrons
what is activation - ANSWER-creation of new radioactive isotopes by
neutron bombardment
when you have increased penetrating power what happens to the
wave length - ANSWER-decrease
what is the q factor - ANSWER-quality factor of radiation
,what is specific activity - ANSWER-activity per gram
public maximum yearly exposure - ANSWER-100 mrem
max annual exspsure to extremities (below elbows, below knees) -
ANSWER-50r
dose limit for minors or women fetus for entire pregnancy - ANSWER-
10% of 5000 mrem (500 mrem a year)
first death radiation dose - ANSWER-200-250 rem (could be 200-350
rem)
how many R is 10 mSv= - ANSWER-1R
RBE stands for - ANSWER-relative biological dose
1 gray = how many rad - ANSWER-100 rad of absorbed dose
what do survey meters measure - ANSWER-dose rate
absorbed dose in human tissue - ANSWER-mrem, rem
roentgens - ANSWER-radiation that is in the air
survey meters measure in what - ANSWER-mr/h
, what are somatic effects - ANSWER-health effects due to radioactive
exposure
genetic effects - ANSWER-effects on reproductive and stem cells,
effects on offspring
what dose an OSL badge stand for - ANSWER-optically stimulated
luminescent (range 1 mrem to 1000 mrem)
what particle is the most penetrating - ANSWER-beta particles
what particle has the most q factor and will due the most damage
because of it - ANSWER-alpha particles
does background radiations and medical add to your occupational
dose - ANSWER-NO
what is the max activity for a co- 60 source for type a packaging -
ANSWER-10.8 curies
what is the max activity for a ir-192 source for type a packaging -
ANSWER-27 curies
what colors must the radiation symbols be - ANSWER-magenta,
purple or black on a yellow background
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