A 2-year-old child is seen in the emergency department of a local hospital, and croup is diagnosed. The physician orders a dose of racemic epinephrine via a small volume nebulizer to help reduce the subglottic swelling
What size aerosol particle is most likely to deposit in this region, providing the greatest therapeutic benefit to the patient?
a. Particles less than 10 µm
b. Particles 5 to 10 µm
c. Particles 2 to 5 µm
d. Particles 0.8 to 3.0 µm
ANS: B
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