The Rationale Behind the Use of Supplemental Oxygen in the Treatment

The rationale behind the use of supplemental oxygen in the treatment of sleep apnea is to:

A) preoxygenate the airway prior to the apneic episodes.
B) stimulate the central chemoreceptors and prevent apneic episodes.
C) increase the respiratory drive in the medulla.
D) blow off carbon dioxide in the alveolus.