A patient with asthma has a personal best peak expiratory flow rate (PEFR)of 400 L/min. When explaining the asthma action plan,the nurse will teach the patient that a change in therapy is needed when the PEFR is less than ___ L/minute

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The Answer of A patient with asthma has a personal best peak expiratory flow rate (PEFR)of 400 L/min. When explaining the asthma action plan,the nurse will teach the patient that a change in therapy is needed when the PEFR is less than ___ L/minute

A Patient with Asthma Has a Personal Best Peak Expiratory