Which of the following procedures should be followed in setting up a compressed-gas cylinder at a patient’s bedside?1. Inspect the valve for dirt, debris, and oil.2. Make sure the cylinder is properly secured.3. Open the cylinder valve completely.

You are transporting a patient to X-Ray on a 5 liter per minute nasal cannula.  Which size oxygen cylinder would be used during the inter-facility transport of this patient?

You arrive to your patient’s room to find a 60-year-old man with a smoking history on a nonrebreather mask with an SpO2 100%, RR – 10 and very sleepy. Which action should the respiratory therapist take first?

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?

The following large-cylinder safety recommendations are appropriate except?1. Protective caps are not necessary during storage.2. Cylinders should be transported with protective caps.3. Cylinders should be secured close to electrical outlets.4. Transportation must occur on an appropriate cart, onto which the cylinder is secured by a chain.

Which of the following gases support combustion?1. Helium2. Oxygen3. Air4. Carbon dioxide

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

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.

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

What device is used to reduce high-pressure gases from cylinders or bulk supply to a lower working pressure?