Podiatry Xray
Terms with their
Correct Definitions
Denning [Date] [Course title]
, Genetic effects - Answer: Passed to the offspring
Somatic effects - Answer: Affect the individual, but not the offspring
3 basic safety measures - Answer: Time, distance, shielding
Inverse square law - Answer: Intensity of the beam is inversely proportional to the square of the
distance
ALARA - Answer: "As low as reasonably achievable"
5 rems - Answer: Annual occupational limit
0.5 rems - Answer: Annual non-occupational limit
Film badges/TLD's - Answer: Commonly used for occupational exposure measuring. To be worn on
collar. Badges to be changed every 4 weeks, TLD's every 3 months.
Beam limitation device - Answer: Shapes the dimension of the Xray beam. Always use the smallest
exposure field to reduce patient exposure.
3 primary exposure factors - Answer: mA, time, kVp
3 primary exposure factors are adjusted at - Answer: The control panel.
mA's - Answer: Control the quantity of Xrays
kVp - Answer: Control the quality of the beam
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