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When differentiating between central and obstructive sleep apnea, which of the following “channels” or parameters would reflect vastly different results during an apneic episode or event? 

Silicone airway stents can only be placed via: 

During the calibration of a polarographic O2 analyzer, the respiratory therapist cannot get the sensor to read 100% when exposed to 100% oxygen, even after adjusting its calibration control.  What should the therapist recommend FIRST? 

Normal healthy people can exhale what percentage of the forced vital capacity in 1 sec? 

Define Expiratory Reserve Volume (ERV)

What term is used to describe a significant decrease in airflow during sleep but not a complete cessation of breathing? 

A new blood gas analyzer was calibrated by the manufacturer at sea level.  On receiving the analyzer at higher altitude, a respiratory therapist should:

Define Inspiratory Capacity (IC)

The respiratory therapist is responsible for cleaning a fiberoptic bronchoscope following a procedure where the bronchoscope was used to tamponade a bleed inside the pulmonary tree of a patient with confirmed active pulmonary tuberculosis.  Which of the following sterilization techniques is appropriate?  

Which of the following is used to monitor the partial pressure of transcutaneous carbon dioxide?