Practice Quiz

Respiratory Therapist

Category - Initiation and Modification of Interventions

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Which is the appropriate for a low exhaled tidal volume alarm setting for a patient being mechanically ventilated with a tidal volume of 450 ml?
  1. 400 ml
  2. 350 ml
  3. 200 ml
  4. 175 ml
Explanation
Answer: B-The low exhaled tidal volume alarm should be set at 350 ml for a patient with a set tidal volume of 450 ml.

The low exhaled tidal volume alarm is appropriately set 100-200 ml below the set tidal volume. If the alarm is triggered for a leak greater than 100 ml, the therapist should verify connections and check for a leak.
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