All of the Following Are True of Heat-Moisture Exchangers (HMEs)

question 65

Multiple Choice

All of the following are true of heat-moisture exchangers (HMEs) except:

• A)Moisture output falls at high volumes and rates of breathing.
• B)High inspiratory flows and high FIO₂ values can decrease HME efficiency.
• C)In-use HMEs have little effect on flow resistance to breathing.
• D)HMEs reduce bacterial colonization of ventilator circuits.

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