Violation
The amount of radiation to a patient can be reduced by 1. using a high speed film. 2. using an aluminum filter. 3. increasing target-film distance. 4. using low kVpThe amount of radiation to a patient can be reduced by 1. using a high speed film. 2. using an aluminum filter. 3. increasing target-film distance. 4. using low kVp
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.