✓ Correct answer: A. Obstructive sleep apnea treated with CPAPTECSA (also called complex sleep apnea) is the appearance of central apneas after OSA is treated with CPAP. The prevailing theory involves CO2 below the apnea threshold once upper airway obstruction is eliminated.
Keep practising. Use the free Sleep Tech RPSGT PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.