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RADIATION PROTECTION ARRT | STUDY GUIDE QUESTION BANK EXAM | QUESTIONS EXPERT VERIFIED WITH GUIDED BOOK RATIONALES | 100% VERIFIED | 2024$16.99
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RADIATION PROTECTION ARRT | STUDY GUIDE QUESTION BANK EXAM | QUESTIONS EXPERT VERIFIED WITH GUIDED BOOK RATIONALES | 100% VERIFIED | 2024
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Arrt.
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RADIATION PROTECTION ARRT | STUDY GUIDE QUESTION BANK EXAM | QUESTIONS EXPERT VERIFIED WITH GUIDED BOOK RATIONALES | 100% VERIFIED | 2024
What is used to account for the differences in tissue sensitivity to ionizing radiation when determining effective dose E
Choose al...
The radiation ______ is a number assigned to different types of ______ in order to
better determine their effect on tissue examples xray vs alpha particles.
The Wr of the different ionizing radiations depends on the ______ of that particular
radiation.
1. BET
2. EBT
3. LET - 3. LET
Bushong 8th edition page 556
The following formula is used to determine effective dose E:
1. E=Wr x Wt x absorbed dose
2. E=Wr + Wt + absorbed dose
3. E=Wr - Wt - absorbed dose - 1. E=Wr x Wt x absorbed dose
Bushong 8th edition page 556
According to the national council on radiation protection and measurements NCRP, the
monthly gestational dose equivalent limit for embryo/fetus of a pregnant radiographer is
a. 0.1 mSv
b. 0.5 mSv
c. 1.0 mSv
d. 5.0 mSv - b. 0.5 mSv
Bushong 8th edition page 557
________ which expresses the rate at which particulate or photon energy is transferred
to the absorber
1. BET
2. EBT
3. LET - 3. LET
,Thompson et al page 419
LET is best defined as
Choose all that apply
1. a method of expressing radiation
2. a measure of the rate at which radiation energy is transferred to soft tissue
3. absorption of polyenergetic radiation - 1. a method of expressing radiation
2. a measure of the rate at which radiation energy is transferred to soft tissue
Thompson et al page 419
Guidelines state that the occupational gestational dose equivalent limit for embryo/fetus
of a pregnant radiographer is ______, not to exceed ______in 1 month
a. 5 mSv aka 500 mrem
b. 5 mSv aka 200 mrem
c. 5 mSv aka 100 mrem - a. 5 mSv aka 500 mrem/0.5 mSv
Bushong 8th edition page 557
According to the NCRP the annual occupational whole body dose equivalent limit is
_____ mSv (5 rem or 5,000 mrem).
A. 20
B. 30
C. 50 - C. 50 mSv
Bushong 8th edition page 557
The annual occupational whole body dose equivalent limit for students under the age of
18 years is 1 mSv aka 100 mrem or 0.1 rem.
a. 10 mSv
b. 100 mSv
c. 1 mSv - c. 1 mSv
Bushong 8th edition page 557
The annual occupational dose equivalent limit for the lens of eye is ______
a. 350 mSv aka 15 rem
, b. 550 mSv aka 15 rem
c. 150 mSv aka 15 rem - c. 150 mSv aka 15 rem
Bushong 8th edition page 557
The annual occupational dose equivalent limit for the thyroid, skin and extremities is
_______
a. 200 mSv aka 50 rem.
b. 300 mSv aka 50 rem.
c. 500 mSv aka 50 rem. - c. 500 mSv aka 50 rem
Bushong 8th edition page 557
A time of 1.5 minutes is required for a particular fluoroscopic examination, whose
exposure rate is 275 mR/h. What is the approximate radiation exposure for the
radiologic staff present in the fluoroscopy room during the examination
a. 183 mR
b. 68.7 mR
c. 18.33 mR
d. 6.87 mR - d. 6.87 mR
If nthe nexposure nrate nto nan nindividual nstanding n4.0 nm nfrom na nsource nof nradiation nis n10
nmR/h nwhat nwill nbe nthe ndose nreceived nafter n20 nminutes nat na ndistance nof n6 nm nfrom nthe
nsource
a. n22.5 nmR
b. n7.5 nmR
c. n4.44 nmR
d. n1.48 nmR n- n nd. n1.48 nmR
Bushong n8th nedition npage n570
I1/I2 n= nD2^2/D1^1
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