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If a patient is on a 6L nasal cannula, what is the approximate FIO2?

Which of the following pieces of equipment would be LEAST appropriate for the victim of a house fire?

Wheezes and rhonchi are heard bilaterally after a patient aspirated gastric contents. The patient appears short of breath, has a cough producing copious, watery secretions and the SpO2 is 78%. The physician asks the respiratory therapist to initiate oxygen therapy.Which of the following types of oxygen administration devices should the therapist select for his patient?

Bedside spirometry performed on a patient reveals the following: Respiratory rate   =  22 Tidal volume        =  360 mL Dead space    =  150 mL Inspiratory capacity =  1.0 LBased on these data, what is the patient’s minute ventilation?

A respiratory therapist is monitoring a patient with tracheostmy. The patient is recieving oxygen at an FIO2 of .40 by T-piece with a flowmeter setting of 8 L/min. No mist is visible during inspiration. Which of the following should the therapist do?

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?

An ABG was obtained from a patient on CMV with continuous capnometer connected to the ventilatory circuit. The following ABG results and capnometer reading are as follows: pH – 7.35 PaCO2 – 50 mmHg PaO2 – 65 mmHg HCO3 – 25 mEq/L PETCO2 – 45 mmHg Four hours later the capnometer is reading at 60 mmHg. what is the actual PaCO2?

A patient is currently on oxygen therapy using a venturi mask at 35% running at 8 LPM. What is the total flow that is being delivered to the patient?

You must deliver the highest possible FIO2 to a 67-year-old man with pulmonary edema breathing at a rate of 24/min. Which of the following O2 delivery systems would be most appropriate?

Which of the following statements is false about low-flow O2 delivery systems?