A Radiographic Examination Has Been Taken Using the Following Exposure

Multiple Choice

A radiographic examination has been taken using the following exposure conditions: 400 mA, 70 ms, 80 kVp, 1,2 mm fs, 200 RS receptor, 12: grid, 44" SID
To increase the contrast, the most appropriate choice would be to

A) increase the mA to 500 and decrease time to 56 ms.
B) switch to the 0.8 mm focal spot.
C) switch to a 400 RS receptor and decrease the mAs.
D) switch to a 16:1 grid and increase mAs.