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A simple mask can deliver what amount of FiO2 at how many liters/minute?

Which of the following O2 devices has 2 one-way valves and one of the valves is at the exhalation port, which prevents room air from entering the mask during inhalation?

Of the following O2 devices, which is the most appropriate for patients with chronic obstructive pulmonary disease who are mildly hypoxemic?

Which of the following are disadvantages of the nasal cannula?1. Skin irritation2. Drying of nasal conchae3. Precise FiO2 4. Claustrophobia

Which of the following are advantages of transtracheal catheters?1. Increase patient mobility.2. Improve patient compliance because of enhanced cosmetic appearance.3. Increase nasal irritation.4. Heighten the risk for mucus plugging.

A patient with pulmonary fibrosis comes to the emergency department with an SpO2 of 90% and a RR of 18 breaths/min. The patient is unsure whether her transtracheal catheter set on 2 LPM is working properly.  What is the respiratory therapist first action?

A patient with an acute asthma exacerbation comes to your emergency department.  She is discovered to have a HR – 119, RR – 34, SpO2 of 86% with room air. On the basis of your assessment, which oxygen-delivery device would you select for the patient?

https://docs.google.com/spreadsheets/d/1srm4TgD3DJTEtzjc7q_x1cELM-6CGunUAkd7QVkokYo/edit?gid=2081048768#gid=2081048768 DC quick fact

The area of a square is equal to the measurement of the side squared.

The ceiling of a house has an area of 23.5 sq yd. What is the area in square feet? [BLANK-1]