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Pure-tone threshold average (PTA) is often calculated across 500 Hz, 1000 Hz, and 2000 Hz. Sometimes, PTA will include the threshold of 4000 Hz. Below

Pure-tone threshold average (PTA) is often calculated across 500 Hz, 1000 Hz, and 2000 Hz. Sometimes, PTA will include the threshold of 4000 Hz. Below is a list of pure-tone thresholds at different frequencies. What is the 500-4000 Hz PTA of this ear? 500 Hz 30 dB HL 1000 Hz 20 dB HL 2000 Hz 15 dB HL 4000 Hz 10 dB HL

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