A nurse is teaching a group of nursing students about the different formulations of beta2-adrenergic agonist medications. Which statement by a student indicates understanding of the teaching?
a. "Beta2-adrenergic agonists provide quick relief via any formulation."
b. "Long-acting beta2 agonists may be used alone to prevent attacks."
c. "Short-acting beta2 agonists are usually given by nebulizer."
d. "Oral beta2 agonists are not useful for short-term treatment."
ANS: D
Oral beta2 agonists are used only for long-term control. All formulations vary; long-acting beta2 agonists (LABAs) and oral preparations are used for long-term control, whereas short-acting beta2 agonists (SABAs) are useful for acute episodes. LABAs are used in conjunction with inhaled glucocorticoids to prevent attacks. SABAs may be given by MDI or nebulizer and usually are given by MDI.
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