CPSGT Positive Airway Pressure Therapy & Treatment Modalities 2

Question 1

During CPAP titration, what is the minimum recommended pressure increase when an obstructive apnea is observed?

Accepted Answer

2 cm H2O

Answer

0.5 cm H2O

Answer

1 cm H2O

Answer

5 cm H2O

Question 2

What is the maximum recommended CPAP pressure ceiling in standard adult titration protocols?

Accepted Answer

20 cm H2O

Answer

15 cm H2O

Answer

25 cm H2O

Answer

30 cm H2O

Question 3

Which type of PAP mask interface covers only the nostrils using small cushioned inserts that seal inside the nasal openings?

Accepted Answer

Nasal pillow mask

Answer

Full face (oronasal) mask

Answer

Total face mask

Answer

Nasal cradle mask

Question 4

When a patient on BiPAP continues to have central apneas with an adequate EPAP, what adjustment to the IPAP-EPAP relationship should the technologist consider?

Accepted Answer

Increase the IPAP-EPAP differential (pressure support) to better stimulate breathing

Answer

Increase EPAP to eliminate the pressure differential

Answer

Decrease IPAP to reduce stimulation

Answer

Switch to CPAP

Question 5

What does the 'ramp' feature on PAP devices do?

Accepted Answer

Gradually increases pressure from a lower starting point to the prescribed therapeutic pressure

Answer

Gradually increases humidity output over the night

Answer

Automatically decreases pressure in the early morning hours

Answer

Adjusts pressure based on altitude changes

Question 6

During a split-night study, diagnostic PSG typically transitions to PAP titration after how many hours of baseline recording if OSA criteria are met?

Accepted Answer

2 hours

Answer

1 hour

Answer

4 hours

Answer

The entire first half of the night

Question 7

Which PAP mask interface is generally preferred for patients who breathe through their mouths during sleep?

Accepted Answer

Full face (oronasal) mask

Answer

Nasal pillow mask

Answer

Nasal mask

Answer

Oral-only mask for PAP