FINAL EXAM- RADIATION SAFETY QUESTIONS AND ANSWERS

FINAL EXAM- RADIATION SAFETY
QUESTIONS AND ANSWERS
Air karma unit is a measure of the:
A. Number of ions created in tissue
B. Amount of silver atoms on ir
C. Number of ions created in air
D. Amount of fluorescence from scintillators - answer-c. Number of ions created in air

Total filtration in the x-ray tube must be the equivalent of at least:
A. 1.5 mm aluminum
B. 2.5 mm aluminum
C. .5 mm aluminum
D. 1.0 mm aluminum - answer-b. 2.5 mm aluminum

The quality of an x-ray beam is determined by the:
A. Mas
B. Distance
C. Kvp
D. Hear pf the filament - answer-c. Kvp

The stage of life most sensitive to radiation is:
A. All may be equally affected
B. Elderly
C. Adult
D. Fetus - answer-d. Fetus

X-ray beam collimation is used because:
A. Image quality is improved
B. Patient dose is decreased
C. Scatter radiation is decreased
D. All of the above - answer-d. All of the above

Radiation dose to the gonads may cause:
A. Cataracts
B. Somatic damage
C. Bremsstrahlung
D. Genetic damage - answer-d. Genetic damage

Personal dosimeters are designed to be worn:
A. Inside the lead apron near the neck
B. Outside the lead apron near the neck
C. Inside the led apron near knee