Interpret the following blood gas drawn from a patient who is breathing 35% O2: PaO2, 86 torr; SaO2, 90%; pH, 7.29; PaCO2, 37 torr; bicarbonate, 17 mEq/L; and base excess, -8 mEq/L.    I. Corrected hypoxemia    II. Uncorrected hypoxemia    III. Compensated metabolic acidosis    IV. Uncompensated metabolic acidosis    V. Compensated respiratory acidosis

Before drawing a blood gas sample from the radial artery, you should perform which test of adequate perfusion?   

What is the brand name of formoterol?

What is the goal of using an unheated bubble humidifier with oronasal oxygen delivery systems?

Conditions that can lead to bronchiectasis include all of the following except:

Inhalation of dry gases can do which of the following?I. decrease viscosity of secretionsII. mucociliary impairmentIII. increase airway irritability

Your patient has an elevated white blood cell (WBC) count but no signs or symptoms of infection. She uses albuterol and salmeterol and is currently taking a corticosteroid. What is the most likely cause of her elevated WBC count?

Which of the following statements is NOT true regarding the use of phenolics as a disinfectant?

Which of the following settings should be adjusted to change the I:E ratio for a patient receiving PEP therapy?

A physician requests that you provide a patient with exactly 45% O2 at a flow of 60 L/min. Lacking a blender, you must manually mix air and O2 to achieve the desired mixture at the prescribed flow. Which of the following air and O2 flows would you select?Air (L/min) O2 (L/min)