Which of the following are acceptable means to help minimize the problems caused by condensa-tion in heated humidifier circuits?
1. Installing water traps in the circuit
2. Using a heated-wire circuit
3. Setting heater temperature to 25° to 28° C
a. 1, 2, and 3
b. 2 and 3 only
c. 1 and 2 only
d. 1 and 3 only
ANS: C
One common method is to place water traps at low points in the circuit (both the inspiratory and expiratory limbs of ventilator circuits). The most common approach uses wire heating elements inserted into the ventilator circuit.
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