Author Question: During aerosol drug delivery using a small-volume jet nebulizer (SVN) set at 8 L/min input flow, a ... (Read 81 times)

Jramos095 · **on:** Jul 16, 2018

During aerosol drug delivery using a small-volume jet nebulizer (SVN) set at 8 L/min input flow, a patient asks that the head of the bed be lowered to a semi-Fowler's position.

Immediately after doing so, you observe a significant drop in SVN aerosol output, despite there being at least 3 ml of solution left in the reservoir. What would you do to correct this problem?
a. Add 1 to 2 ml more diluent to the nebu-lizer reservoir.
b. Increase the nebulizer input flow to 10 to 12 L/min.
c. Reposition the patient so that the SVN is more upright.
d. Decrease the nebulizer input flow to 3 to 4 L/min.

Question 2

Which of the following small-volume jet nebulizer design features affect its performance? 1. Position 2. Residual volume 3. Baffles 4. Reservoirs

a. 1, 2, and 3 only
b. 2 and 4 only
c. 3 and 4 only
d. 1, 2, 3, and 4

komodo7 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: C
Some SVNs stop producing aerosol when tilted as little as 30 degrees from vertical.

Answer to Question 2

ANS: D