When performing CPR on an adult, what is the correct rate and depth for chest compressions?
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A
A rate of 80-100 compressions per minute and a depth of 1.5 inches.
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B
A rate of 100-120 compressions per minute and a depth of at least 2 inches.
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C
A rate of 120-140 compressions per minute and a depth of 2.5 inches.
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D
A rate of at least 60 compressions per minute and a depth of 1 inch.