Two hypothetical small volume nebulizers, A and B, have the following specifications from the manufacturer
A B
Count median diameter (CMD) 1.7 µm 1.5 µm
Mass median aerodynamic diameter (MMAD) 3.2 µm 7.7 µm
Geometric standard deviation (GSD) 1.1 µm 1.5 µm
Which nebulizer would be best to use to treat the lower respiratory tract?
a. Nebulizer A
b. Nebulizer B
ANS: A
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