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ARRT TEST 2025 REVIEWED QUESTIONS AND ANSWERS LATEST UPDATE An acceptable PA chest exam is taken using 300 mA, 0.008 seconds, and 110 kVp. If this examination is repeated using an AEC that has a minimum response time of 10 ms, which of the following exposure factors would be appropriate? 400 mA, 0.006 seconds, 110 kVp. 200 mA, 0.012 seconds, 110 kVp. 600 mA, 0.004 seconds, 110 kVp. All of the above would be appropriate. 200 mA, 0.012 seconds, 110 kVp. The minimum response time (MRT) is t...