A patient has undergone surgery and is receiving continuous supplemental oxygen via a 30% air-entrainment mask. He or she becomes pale and short of breath during incentive spirometry. Pulse oximetry reveals a significant drop in oxygen saturation during incentive spirometry. The respiratory therapist should do which of the following for subsequent incentive spirometry therapy?

An assessment of a patient with newly diagnosed chronic bronchitis reveals an alert, cooperative, and oriented patient. Low-pitched wheezes are heard bilaterally on auscultation. The patient has a productive cough, producing copious amounts of sputum; no fever; a pulse of 85 beats/min; respirations of 18 breaths/min; and blood pressure of 145/90. The most appropriate lung expansion therapy for this patient is which of the following?

Indications for the use of warm, humidified gas are which of the following?1. Patients with hypothermia2. Patients with croup3. Patients with bronchospasm4. Patients with postextubation edema

What type of station outlet is seen in the picture?

A patient has a heated air-entrainment large-volume jet nebulizer. The aerosol disappears completely during each inspiration. The most-appropriate action to take is to:

When a Macintosh type of laryngoscope blade is used, which of the following actions is most appropriate?

Which is the correct sequence of events when one is obtaining arterial blood from the radial artery of a patient?I. Perform the modified Allen’s test.II. Remove any air bubbles from the sample.III. Apply direct pressure to the puncture site.IV. Clean the puncture site with a suitable antiseptic solution.V. Use a 23-gauge needle and a plastic syringe containing an anticoagulant.

Which device allows in vitro ABG and pH measurements in a transport vehicle?

An 18-year-old with severe asthma is brought into the emergency department on an nonrebreathing mask; he is in acute respiratory distress. He has been given multiple rounds of bronchodilators and corticosteroids and is still in distress, with an SpO2 of 85% on the nonrebreathing mask. What therapy should the respiratory care practitioner suggest to the physician at this time?

Which is the correct order of steps to perform the modified Allen’s test?I. Pressure is applied to both the radial and ulnar arteries.II. The fist is opened, but not fully extended.III. Pressure on the ulnar artery is removed.IV. The hand is clenched into a tight fist.V. The palm and fingers are blanched.