Before bronchodilator studies,inhaled $\beta$-adrenergic agents should be withheld for how long?
A) 0.5 to 1.5 hours unless corticosteroids are being used
B) 4 to 12 hours for regular or long-acting preparations
C) 24 hours for most inhalers
D) 24 to 48 hours

Question

Quizplus · Accepted Answer

Before bronchodilator studies, inhaled β-adrenergic agents should be withheld for 4 to 12 hours for regular or long-acting preparations. This is to allow the effects of the medication to wear off and to obtain accurate results during the bronchodilator test.

Before Bronchodilator Studies,inhaled β\betaβ -Adrenergic Agents Should Be Withheld for How Long? A) 0

Before Bronchodilator Studies,inhaled $\beta$ -Adrenergic Agents Should Be Withheld for How Long?
A) 0