Which of the Following Are the Prime Factors of Exposure

Multiple Choice

Which of the following are the prime factors of exposure in radiography?

A) Density, contrast, spatial resolution, and distortion
B) Density, contrast, distortion, and kilovoltage
C) mAs, kilovoltage, density, and distance (SID)
D) Milliamperage, exposure time, kilovoltage, and source-distance receptor distance (SID)