Author Question: Which of the following statements regarding large-volume jet nebulizers is true? a. Gas is ... (Read 43 times)

maegan_martin · **on:** Jul 16, 2018

Which of the following statements regarding large-volume jet nebulizers is true?

a. Gas is brought down the siphon tube into the liquid.
b. Lateral pressure increases around the air-entrainment ports.
c. Baffling removes the larger particles from the generated aerosol.
d. Inspiratory flow can be increased by clos-ing the air-entrainment ports.

Question 2

A patient wants to use a spinning disk nebulizer at home. The patient should be aware that it:

a. increases the ambient relative humidity.
b. is a mechanical aerosol generator.
c. can be a source of bacterial contamination to the environment.
d. can deliver 20 mL/min.

juwms · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: C
The resulting low pressure generated at the jet draws fluid from the reservoir up to the top of a siphon tube, where it is sheared off and is carried in the gas stream. Inspiratory flows decrease as the air-entrainment port is closed.

Answer to Question 2

ANS: C
The room nebulizers are not commonly recommended because they can be a source of bacterial contamination to the environment. See also Figure 6-11.