How Can You Ensure Reliability When Measuring the Expiratory Reserve

question 65

Multiple Choice

How can you ensure reliability when measuring the expiratory reserve volume (ERV) ?

• A)Have the patient perform the maneuver twice, ensure consistency, then take the best value.
• B)Have the patient perform the maneuver three times, and then take the last value.
• C)Have the patient perform the maneuver twice, ensure consistency, then take the mean value.
• D)Have the patient perform the maneuver until he or she becomes fatigued, and then take the last value.

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