Practice Quiz

Respiratory Therapist

Category - Initiation and Modification of Interventions

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Which statements are true of positive expiratory pressure therapy?
  1. The pressure generated on expiration will be 5-15 cmH2O.
  2. It is effective in conjunction with huff coughing.
  3. A threshold valve provides airway resistance.
  4. A pressurized gas source is not necessary.
Explanation
Answers: B and D-PEP therapy is effective when used in conjunction with huff coughing. It does not require a pressurized gas source.

PEP therapy has a distinct advantage to many bronchial hygiene practices because patients are able to perform it on themselves. The pressure generated on expiration will range from 10-20 cmH2O. A fixed orifice resistor provides airway resistance. The device does not require a pressurized gas source.
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