NBCSN Nationally Certified School Nurse Practice Exam 2025 – Comprehensive All-In-One Study Guide for Success!

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What does a peak flow meter measurement of 80% or above indicate?

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A peak flow meter measurement of 80% or above indicates that a person is in a relatively stable condition with their asthma, suggesting that their airflow is well-maintained and that they are not currently experiencing significant respiratory distress. Consistently recording values in this range means that asthma is likely under control, and the individual is responding well to their asthma management plan.

Monitoring peak flow readings is essential, as it provides a quantitative measure of airway function, allowing individuals to understand their asthma status better. Readings below 80% could prompt action such as medication adjustments or increased monitoring, but values at or above this threshold typically mean no immediate actions are necessary.

In contrast, values significantly lower would indicate a need for immediate medical intervention or adjustments in medication.

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Immediate medical intervention required

Increased asthma severity

Need for medication adjustment

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