What is water hammer?
A. Pressure necessary to overcome friction inside a hydrant
B. An implosion of air pockets drawn into fire pumps connected to the system
C. A sudden surge in pressure caused when a discharge valve is turned off too quickly
D. When fire apparatus operating at low system pressure draws the entire capacity of the system
C
Health Professions
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Which of the following types of standpipe and hose systems is designed only for use by fire-suppression personnel trained in handling large handlines?
A. Class I B. Class II C. Class III D. Class IV
Health Professions
Using the CPT manual, select the code for the following procedure
Magnetic resonance angiography, spinal canal, and contents with contrast
Health Professions