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Which of the following symptoms may occur in major depression? Choose the best option.A) Lowered mood and decreased interest or pleasure in all activitiesB) Loss of appetite (or increased appetite)C) FatigueD) All of above.

Based on the following measures, what is the most likely acid-base diagnosis? pH = 7.43    PC02 = 20 mm Hg    HC03 = 12.6 mEq/L

To minimize the risk of retinopathy of prematurity (ROP), the American Academy of Pediatrics recommends keeping the PaO2 below what level?

A patient has the following blood gas results: pH=7.34, PaCO2= 40, PaO2 = 75, Hb = 13, FIO2 = .21, HCO3 = 25, SaO2 = 93%, PECO2 = 20, VT = 200 ml, f = 32. What is the patient’s VD/VT?  

A patient with acute respiratory failure due to pneumonia is receiving high flow nasal cannula (HFNC) therapy. When assessing the patient’s response, which of the following patient factors would influence your decision to escalate or de-escalate HFNC therapy?

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?