Exam (elaborations)
RAD REVIEW 3.2 RADIATION PROTECTION QUESTIONS AND ANSWERS
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RAD REVIEW 3.2 RADIATION PROTECTION QUESTIONS AND ANSWERS
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Name: Score:227 Multiple choice questions
Term 1 of 227
Benefits of filtration on the primary beam include
1. Increased penetrability
2. Increased quality
3. Decreased HVL
1 only
3 only
1 and 2 only
2 and 3 only
Term 2 of 227
Which of the following has(have) been identified as source(s) of radon exposure?
1. Indoors, in houses
2. Smoking cigarettes
3. Radiology departments
1 only
1 and 2 only
2 and 3 only
1, 2, and 3
,Term 3 of 227
The annual dose limit for medical imaging personnel must be tracked and reported, and
includes radiation from the following sources
1. occupational exposure
2. background radiation
3. medical x-rays
1 only
1 and 2 only
2 and 3 only
1, 2, and 3
Term 4 of 227
Using direct and indirect active matrix flat panel imaging systems, increasing exposure time
with no other changes will:
Increase brightness of the displayed image.
Decrease displayed image contrast.
Decrease image receptor exposure.
Increase patient dose.
Term 5 of 227
If the exposure rate at 3.0 m from a source of radiation is 0.8 mGy/hr, what distance would be
required to decrease the exposure rate to 0.2 mGy/hr?
3m
6m
7.2 m
36 m
,Term 6 of 227
Which of the following functions to protect the x-ray tube and the patient from overexposure
in the event that the AEC fails to terminate an exposure?
Circuit breaker
Fuse
Backup timer
Rheostat
Term 7 of 227
Which of the following personnel monitoring devices is commonly used in diagnostic
radiography and considered to be most sensitive and accurate?
TLD
Film badge
OSL dosimeter
Pocket dosimeter
Term 8 of 227
Which of the following is (are) likely to improve image quality and decrease patient dose?
1. Beam restriction
2. Low kilovolt and high milliampere- second factors
3. Grids
1 only
1 and 3 only
2 and 3 only
1, 2, and 3
, Term 9 of 227
All of the following have an effect on patient dose except
inherent filtration.
added filtration.
SID.
focal spot size.
Term 10 of 227
Which of the following is recommended for the pregnant radiographer?
Change dosimeters weekly.
Wear a second dosimeter under the lead apron.
Wear two dosimeters and switch their positions appropriately.
The pregnant radiographer must leave radiation areas for duration of the pregnancy.
Term 11 of 227
Which of the following is (are) acceptable way(s) to monitor the radiation exposure of those
who are occupationally employed?
1. TLD
2. OSL dosimeter
3. Quarterly blood cell count
1 only
1 and 2 only
1 and 3 only
1, 2, and 3
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