An asthma patient's best effort produces a PEFR of 55% of personal best. What is indicated at this time?
a. Patient should lie down and try to relax.
b. Patient should probably seek medical at-tention now.
c. Patient should retry the PEFR maneuver.
d. Patient should take his or her controller medications.
ANS: B
A PEFR below 60% of the personal best is in the red zone and signals a medical alert, requiring immediate medical attention if the patient does not return to the yellow or green zone with bronchodilator use.
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