Most fire and emergency service organizations use a __________ organizational structure

If the total hemoglobin content (Hb + HbO2) of a sample of blood is 20 g/dl and the oxyhemo-globin (HbO2) content is 15 g/dl, what is the HbO2 saturation?

a. 17% b. 50% c. 75% d. 83%

A postoperative patient complaining of dyspnea is found to have tachypnea and tachycardia, and is somewhat confused. Breath sounds reveal end inspiratory crackles in both lung bases

An arterial blood gas (ABG) is drawn and reveals the following: pH 7.49; PaCO2 33 mm Hg; PaO2 51 mm Hg; SaO2 87%; HCO3? 25 mEq/L while on a 30% air entrainment mask. The most appropriate respiratory therapy intervention includes which of the following? a. Initiate noninvasive positive pressure ven-tilation (NPPV). b. Initiate continuous positive airway pres-sure (CPAP) by mask. c. Administer bronchodilator therapy. d. Intubate and mechanically ventilate.