Gas pressure has built up behind the inspiratory interrupter switch diaphragm.
How do you vent the gas to the atmosphere?
a. Disassemble the inspiratory-interrupter switch.
b. Push the reset button.
Unscrew the expiratory venturi tube.
d. Depress the spring-loaded poppet valve on the compound- lockout cartridge.
How do you distinguish between the expiratory and inspiratory sides of the
a. The inspiratory side has green tubing; the expiratory side has red tubing.
b. Components on the inspiratory side are metal; components on the expiratory
side of the circuit are glass.
Pressures on the expiratory side are positive; inspiratory pressures are
d. The expiratory side of the circuit is indistinguishable from the inspiratory side
of the circuit.