Chapter 42 Occupational Radiation Dose Management Bushong: Radiologic Science for
Technologists
MULTIPLE CHOICE
1. For diagnostic x-ray personnel, the highest occupational exposure occurs during
exams.
a. fluoroscopy
b. mobile radiography
c. spinal
d. dental
ANS: D
For diagnostic x-ray personnel, the highest occupational exposure occurs during fluoroscopy
and mobile radiography.
2. Personnel working in interventional radiography should be provided with
.
a. collar monitoring only
b. waist monitoring under the apron
c. extremity monitoring
d. gonadal monitoring
ANS: C
Personnel working in interventional radiography should be provided with extremity
monitoring.
3. The lens of the eye should never receive more than per year.
a. 10 mSv (1 rem)
b. 150 mSv (15 rem)
c. 50 mSv (5 rem)
d. 500 mSv (50 rem)
ANS: B
The lens of the eye should never receive more than 150 mSv (15 rem) per year.
4. Dose limits are described as .
a. exposure dose
b. threshold dose
c. effective dose
d. dose equivalent
ANS: C
Dose limits are described as effective dose.
, 5. Occupational dose is described as .
a. exposure dose
b. threshold dose
c. effective dose
d. dose equivalent
ANS: D
Occupational dose is described as dose equivalent.
6. The tissue weighting factor has a higher value for tissues with more . a.
density
b. thickness
c. radiosensitivity
d. radioresistance
ANS: C
The tissue weighting factor has a higher value for tissues with more radiosensitivity.
7. For nursing personnel present during mobile x-ray imaging, a personnel monitoring device is
required .
a. at all times
b. not at all
c. during exposures
d. only for C-arms
ANS: B
For nursing personnel present during mobile x-ray imaging a personnel monitoring device is
not required at all.
8. The dose limit to the extremities is .
a. 5000 mSv/yr (500 rem/yr)
b. 500 mSv/yr (50 rem/yr)
c. 50 mSv/yr (5 rem/yr)
d. 5 mSv/yr (50 rem/yr)
ANS: B
The dose limit to the extremities is 500 mSv/yr (50 rem/yr).
9. The lowest occupational exposure of diagnostic x-ray personnel occurs during
.
a. surgery
b. mammography
c. fluoroscopy
d. interventional
ANS: B
Technologists
MULTIPLE CHOICE
1. For diagnostic x-ray personnel, the highest occupational exposure occurs during
exams.
a. fluoroscopy
b. mobile radiography
c. spinal
d. dental
ANS: D
For diagnostic x-ray personnel, the highest occupational exposure occurs during fluoroscopy
and mobile radiography.
2. Personnel working in interventional radiography should be provided with
.
a. collar monitoring only
b. waist monitoring under the apron
c. extremity monitoring
d. gonadal monitoring
ANS: C
Personnel working in interventional radiography should be provided with extremity
monitoring.
3. The lens of the eye should never receive more than per year.
a. 10 mSv (1 rem)
b. 150 mSv (15 rem)
c. 50 mSv (5 rem)
d. 500 mSv (50 rem)
ANS: B
The lens of the eye should never receive more than 150 mSv (15 rem) per year.
4. Dose limits are described as .
a. exposure dose
b. threshold dose
c. effective dose
d. dose equivalent
ANS: C
Dose limits are described as effective dose.
, 5. Occupational dose is described as .
a. exposure dose
b. threshold dose
c. effective dose
d. dose equivalent
ANS: D
Occupational dose is described as dose equivalent.
6. The tissue weighting factor has a higher value for tissues with more . a.
density
b. thickness
c. radiosensitivity
d. radioresistance
ANS: C
The tissue weighting factor has a higher value for tissues with more radiosensitivity.
7. For nursing personnel present during mobile x-ray imaging, a personnel monitoring device is
required .
a. at all times
b. not at all
c. during exposures
d. only for C-arms
ANS: B
For nursing personnel present during mobile x-ray imaging a personnel monitoring device is
not required at all.
8. The dose limit to the extremities is .
a. 5000 mSv/yr (500 rem/yr)
b. 500 mSv/yr (50 rem/yr)
c. 50 mSv/yr (5 rem/yr)
d. 5 mSv/yr (50 rem/yr)
ANS: B
The dose limit to the extremities is 500 mSv/yr (50 rem/yr).
9. The lowest occupational exposure of diagnostic x-ray personnel occurs during
.
a. surgery
b. mammography
c. fluoroscopy
d. interventional
ANS: B
