You perform an AP supine chest on an ER patient at 40 inches using a technique of 4 mAs at 125 kVp. The patient becomes an inpatient and another PCXR is ordered. The patient can now be done sitting upright at an SID of 72 inches. What is the new mAs?
A. 2 mAs
B. 8 mAs
C. 12 mAs
D. 16 mAs
Answer: C
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Fill in the blank(s) with the appropriate word(s).