Author Question: At high flow rates, what do some bubble humidifiers produce? a. Additional heat b. ... (Read 45 times)

clippers! · **on:** Jul 16, 2018

At high flow rates, what do some bubble humidifiers produce?

a. Additional heat
b. Microorganisms
c. Low pressures
d. Aerosol particles

Question 2

When checking an O2 delivery system that incorporates a bubble humidifier running at 6 L/min, you occlude the delivery tubing, and the humidifier pressure relief immediately pops off. What does this indicate?

a. Malfunctioning humidifier
b. Normal, leak-free system
c. Malfunctioning flowmeter
d. Leak in the delivery tubing

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

Answer to Question 1

ANS: D
At high flow rates, bubble humidifiers can produce aerosols.

Answer to Question 2

ANS: B
If the system is obstructed at or near the patient interface and the pop-off sounds, the system is leak free.