A heart rate of ____ bpm or below is often not tolerated in the younger pediatric patient and will cause severe hypoperfusion.

Which of the following is a condition where the unburned fire gases accumulate at the top of a compartment ignite and flames propagate through the hot-gas layer or across the ceiling?

A. Rollover B. Flashover C. Ghosting D. Thermal layering

Increasing the frequency on an ultrasonic nebulizer:

A) decreases the particle size B) increases the particle size C) increases the output D) decreases the output