RADIATION PROTECTION ARRT || WITH ERRORLESS
ANSWERS.
What is used to account for the differences in tissue sensitivity to ionizing radiation when
determining effective dose E
Choose all that apply
1. Tissue weighting factors Wt
2. Radiation weighting factors Wr
3. Absorbed dose correct answers 1. Tissue weighting factors Wt
Bushong 8th edition page 556
The _______ represents the relative tissue _______ of irradiated material examples muscle vs
intestinal epithelium vs bone
1. Tissue weighting factors Wt/radiosensitivity
2. Radiation weighting factors Wr/radiosensitivity
3. Absorbed dose/radiosensitivity correct answers 1. Tissue weighting factors Wt/radiosensitivity
Bushong 8th edition page 556
The radiation ______ is a number assigned to different types of ______ in order to better
determine their effect on tissue examples xray vs alpha particles.
,1. Tissue weighting factors Wt/ionizing radiations
2. weighting factor Wr/ionizing radiations
3. Absorbed dose/ionizing radiations correct answers 2. weighting factor Wr/ionizing radiations
Bushong 8th edition page 556
The Wr of the different ionizing radiations depends on the ______ of that particular radiation.
1. BET
2. EBT
3. LET correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers c. 1 mSv
Bushong 8th edition page 557
ANSWERS.
What is used to account for the differences in tissue sensitivity to ionizing radiation when
determining effective dose E
Choose all that apply
1. Tissue weighting factors Wt
2. Radiation weighting factors Wr
3. Absorbed dose correct answers 1. Tissue weighting factors Wt
Bushong 8th edition page 556
The _______ represents the relative tissue _______ of irradiated material examples muscle vs
intestinal epithelium vs bone
1. Tissue weighting factors Wt/radiosensitivity
2. Radiation weighting factors Wr/radiosensitivity
3. Absorbed dose/radiosensitivity correct answers 1. Tissue weighting factors Wt/radiosensitivity
Bushong 8th edition page 556
The radiation ______ is a number assigned to different types of ______ in order to better
determine their effect on tissue examples xray vs alpha particles.
,1. Tissue weighting factors Wt/ionizing radiations
2. weighting factor Wr/ionizing radiations
3. Absorbed dose/ionizing radiations correct answers 2. weighting factor Wr/ionizing radiations
Bushong 8th edition page 556
The Wr of the different ionizing radiations depends on the ______ of that particular radiation.
1. BET
2. EBT
3. LET correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers 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 correct answers c. 1 mSv
Bushong 8th edition page 557
