A patient is currently on oxygen via oxygen simple mask at 12 LPM. The patient is breathing at a rate of 30 breaths/min, SpO2 at 87% and has bilateral rhonchi on auscultation. What should the therapist do next?

When checking a patient’s intermittent positive-pressure breathing (IPPB) breathing circuit before use, you notice that the device will not cycle off, even when you occlude the mouthpiece. What would be the most appropriate action in this case? 

A patient needs to be transported to the OR and a therapist obtains a oxygen E tank with 1300 psi. The patient is on oxygen via simple O2 mask at 10 LPM. How long will the tank last?

A patient has a pH of 7.58 and a PaCO2 of 50 torr. Based on these data, what is the primaryacid-base disturbance?

To measure PCO2, blood gas analyzers use what electrode? 

Identify the rhythm?

How long will an “H” cylinder last that has 1900 psig if 02 flow is 7 lpm?

Your patient has a IPPB tidal volume goal of 500 ml but is only exhaling 200 ml. What would you do to deliver a larger volume?

The QRS wave on the EKG indicates which of the following:

Which of the following are hemodynamic hazards and complications of PAP therapy(CPAP and EPAP)?   I. Decrease in blood pressure II. Decrease in venous return III. Gastric distension IV. Decrease in cardiac output