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Challenging the airways quiz
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When conducting a methacholine challenge test, the subject’s FEV
1
is noted to decline to 70% of baseline following administration of the saline diluent.
What is the appropriate next step?
Choose one
Administer the lowest concentration of methacholine and repeat measurement of FEV
1
.
Complete administration of all concentrations of methacholine, measuring the FEV
1
following each dose.
Dilute the lowest concentration of methacholine by half and then administer to the patient.
Stop the test, administering no methacholine.
Question
1
of
5
