What is the average amount of dead volume in a small-volume jet nebulizer after the device runs dry?
a. 0.1 ml
b. 0.5 to 2.2 ml
c. 2.0 to 4.0 ml
d. Less than 0.1 ml
ANS: B
The residual volume of a 3-ml dose varies from as little as 0.5 ml to more than 2.2 ml, which can be more than two-thirds of the total dose.
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