A simple face mask running at 10-12 liters/minute will supply which of the following oxygen concentrations?
a. 40-50
b. 50-65
c. 60-90
d. 80-100
Question 2
When a special cannula is inserted through the cricothyroid membrane to provide ventilation and oxygenation when the airway cannot be maintained because of obstruction is which of the following?
a. FROPVD
b. RSI ET
c. BIAD
d. TLJV