The Gauge on an E Cylinder of O₂ Reads 800

question 33

Multiple Choice

The gauge on an E cylinder of O₂ reads 800 psig. About how long would the contents of this cylinder last, until completely empty, at a flow of 3 L/min?

• A)1 hour 15 minutes
• B)1 hour 45 minutes
• C)2 hours 10 minutes
• D)2 hours 40 minutes

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Definitions:

Carbonic Anhydrase Inhibitors

A class of pharmaceuticals that slow the formation of bicarbonate ions, thus reducing the transport of carbon dioxide in the blood.

Reabsorption

The process by which substances are taken back into the bloodstream from the kidneys or other organs.

Atrial Natriuretic Hormone

A hormone secreted by the heart atria that regulates blood pressure and fluid balance by affecting water and sodium excretion.

Urine Output

The volume of urine excreted by the kidneys over a given period of time, an important indicator of kidney function.