Blog

Which of the following statements is true concerning the use of dry-powder inhalers?

An oxygen _____ compresses air and oxygen from a high-pressure source into a chamber where the pressure of the two gases is equalized, usually at 50 psi.

What type of station outlet is seen in the picture?

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?

Which of the following are O2-conserving devices?1. Transtracheal oxygen catheters2. Reservoir cannulas3. Pulse-demand oxygen-delivery systems4. E size cylinder O2 tanks

Which of the following are advantages of nasal cannula use?1. They are cost-effective.2. They deliver precise FIO2.3. The patient can eat, speak, and drink with the cannula in place.4. Pressure necrosis will not occur.

If the maximum filling pressure is marked as 2050 lb-force per square inch gauge (psig), this cylinder is capable of holding _____ psig.

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

A CO-oximeter identifies the different types of hemoglobin through the use of:

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?