You are ordered to draw a blood sample from your patient’s radial artery. You test for adequate circulation by having the patient make a fist while you put pressure over his ulnar and radial arteries. The patient’s hand is then opened, and pressure is released from the ulnar artery. His hand color returns within 15 sec. This would indicate that

You are assisting with the delivery of a high-risk infant. After evaluating the infant, you give it a 5 minute APGAR score of 8 and recommend that the assisting nurse and physician:

A patient receiving heparin has a prothrombin time (PT) of 19 seconds and an International Standardized Ratio (INR) of approximately 5.0, what does this indicated?

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?