An AP Abdomen Projection Was Obtained Using 85 KVp at 10

Multiple Choice

An AP abdomen projection was obtained using 85 kVp at 10 mAs. The resulting image demonstrated excessively low contrast, although the density was acceptable. What new technique could be used to obtain the projection with equal density but higher contrast?

A) 72 kVp at 10 mAs
B) 72 kVp at 20 mAs
C) 81 kVp at 13 mAs
D) 98 kVp at 5 mAs