Which of the following best describes the performance of a ...

[altibaby]

Which of the following best describes the performance of a typical hygroscopic condenser HME?
 
  a. 40 mg/L water vapor exhaled; 27 mg/L returned
  b. 40 mg/L water vapor exhaled; 20 mg/L returned
  c. 27 mg/L water vapor exhaled; 40 mg/L returned
  d. 44 mg/L water vapor exhaled; 37 mg/L returned

Question 2

Heat and moisture exchangers (HMEs) are mainly used to do what?
 
  a. Warm and humid gases delivered to the trachea via ventilator circuits.
  b. Humidify therapeutic gases delivered at high flows to the lower airway.
  c. Provide extra humidity for a patient with thick or retained secretions.
  d. Warm and humid dry therapeutic gases delivered to the upper airway.

[polinasid]

Answer to Question 1

ANS: A
These devices typically achieve approximately 70 efficiency (40 mg/L exhaled, 27 mg/L re-turned).

Answer to Question 2

ANS: A
Traditionally, HME use has been limited to providing humidification to patients receiving inva-sive ventilatory support via endotracheal or tracheostomy tubes.

[altibaby]

Thank you

[polinasid]

Happy to help you