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Respiratory Therapist

Category - Patient Evaluations and Recommendations

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A patient routinely takes a leukotriene inhibitor and needs to have an initial pulmonary function test. What is the correct length of time between the last dose and testing?

8 hours
12 hours
24 hours
48 hours

Explanation

Answer: D - A PFT should not be performed until 48 hours after a patient has taken a leukotriene inhibitor.

A patient should return to baseline lung function, without the effect of any medication prior to pulmonary function testing.

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