A Patient Receiving Ventilatory Support Is Being Provided with Humidification

A patient receiving ventilatory support is being provided with humidification using a heat and moisture exchanger (HME) . A physician orders a bronchodilator drug administered through a metered dose inhaler (MDI) via the ventilator circuit. Which of the following must be performed to ensure delivery of the drug to the patient?

A) The inspiratory flow setting of the ventilator should be increased.
B) The HME must be removed from the circuit during MDI use.
C) The V_T setting of the ventilator should be decreased.
D) A heated humidifier should replace the HME when using the MDI.

Correct Answer:

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