. A patient’s portable liquid O2 tank has a gauge reading of 7.5 lbs. How long will their O2 supply last if they are using 4 L/min nasal cannula? 7. A full H cylinder is being as a back up due to oxygen outage in the hospital. The cylinder is being used for a patient on a ventilator using a flow of 30 L/min How long will the cylinder last?
[Expert Solution]: . A patient’s portable liquid O2 tank has…
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