Before administering a helium-O2 mixture to a patient with large ...

[bobbysung]

Before administering a helium-O2 mixture to a patient with large airway obstruction, what should you do?
 
  a. Analyze the helium concentration of the mixture.
  b. Heat the cylinder to ensure complete mix-ing of contents.
  c. Analyze the O2 concentration of the mix-ture.
  d. Roll the cylinder to ensure complete mix-ing of contents.

Question 2

Mixtures of carbon dioxide and oxygen in blends of 5:95 or 7:93, which are occasionally used to prevent complete washout of carbon dioxide during cardiopulmonary bypass or treat hiccoughs is known as which of the following?
 
  a. Heliox
  b. Carbogen
  c. Nitrogen dioxide
  d. Flolan

[sierramartinez]

Answer to Question 1

ANS: C
In addition to special flow considerations, the respiratory therapist should use an O2 analyzer to continuously monitor heliox (actually O2) concentrations between the source of the mixture and the patient.

Answer to Question 2

ANS: B
A therapeutic mixture of carbon dioxide and oxygen is known as carbogen.

[bobbysung]

Gracias!

[softEldritch]

Thanks for the timely response, appreciate it