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Fixed orifice flowmeters operate by:

When setting the flowmeter on a partial rebreathing mask, oxygen flow

Match the oxygen device with the fio2 delivery range.

Upon inspection you see the letter and number combination of 3AL stamped into an oxygen cylinder’s shoulder. This means:

A term used to describe a state when a gas is fully saturated with humidity is:

When instructing a patient to use an incentive spirometer, you should tell the patientI. “Put the mouthpiece in your mouth and inhale as quickly as possible until your lungs are full.”II. “Put the mouthpiece in your mouth and inhale slowly until your lungs are full.”III. “When your lungs are full, briefly hold your breath.”IV. “Put the mouthpiece into your mouth and blow hard.”

Given the following, calculate the relative humidity.Capacity = 6.8 mg/LAbsolute humidity = 4.5 mg/L

Which of the following aerosol delivery devices is intended to be used without an artificial airway?I. Briggs adapter (T-piece)II. face tentIII. trach maskIV. aerosol mask

A HAFOE (high air flow with oxygen enrichment) mask is set at 50%. What is the air-to-oxygen entrainment ratio?

A HAFOE (high air flow with oxygen enrichment) is set at 24%. What is the air-to-oxygen entrainment ratio?