Practice Quiz

Respiratory Therapist

Category - Initiation and Modification of Interventions

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Side effects of heliox, such as a high-pitched voice and impaired cough, are due to which of its properties:
  1. Low density from helium
  2. Low oxygenation percentage
  3. High density of helium
  4. High oxygen percentage
Explanation
Answer: A-Side effects from heliox such as a high-pitched voice and impaired cough are due to the low density from helium.

Heliox is a mixture of 80% helium and 20% oxygen. The helium should be washed out before the patient performs a cough maneuver.
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