Thirty minutes after intubation and initiation of mechanical ...

[corkyiscool3328]

Thirty minutes after intubation and initiation of mechanical ventilation, a patient's PaO2 = 55 mm Hg and the FIO2 = 0.5. To what should the FIO2 be set to obtain a PaO2 of 80 mm Hg?
 
  a. 0.65
  b. 0.75
  c. 0.85
  d. 0.95

Question 2

During mechanical ventilation of a patient with CHF, the PaO2 = 38 mm Hg and the FIO2 = 0.6. If the desired PaO2 is 60 mm Hg, the FIO2 needs to be changed to which of the following?
 
  a. 0.65
  b. 0.75
  c. 0.85
  d. 0.95

[ultraflyy23]

Answer to Question 1

ANS: B

Answer to Question 2

ANS: D