A nurse is interpreting the results of a child's peak expiratory flow rate. Which percentage, either at this number or less than this number, is considered to be a red zone? (Record your answer in a whole number.)

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The Answer of A nurse is interpreting the results of a child's peak expiratory flow rate. Which percentage, either at this number or less than this number, is considered to be a red zone? (Record your answer in a whole number.)

A Nurse Is Interpreting the Results of a Child's Peak