Mrs. Puffin, a patient who requires home oxygen, plans to run to the shopping mall one afternoon. She figures she will need 2 hours to complete her shopping. She is packing her liquid oxygen cylinder with 1.5 pounds remaining. She requires 4 lpm O2 via nasal cannula. Will she have enough oxygen to get her shopping done? Travel time to the mall and back home is 20 minutes total. (show your work)

A respiratory care practitioner notices that a flowmeter plugged into the wall outlet continues to read 1 L/min even though it is not turned on. What is the most appropriate action at this time?

Describe how bulk liquid oxygen is stored to keep it in its liquid form?

Which of the following medical gases support combustion? a.Oxygen-O2 b. Carbon Dioxide- CO2 c. Nitrous oxide- N2O d. Nitric Oxide- NO e. Helium-He

When full, a gas cylinder registers a pressure of 2200 psig. After a few hours of use, the pressure gauge reads 1100 psig. The cylinder is now how full?

Oxygen concentrators that use semipermeable membranes to manufacture oxygen, can usually provide what percentage of oxygen?

An RT is having trouble connecting a regulator to an H cylinder. One possible cause might be that the

A grocery store notices that when the price of oranges increases, fewer customers buy them. As a result, unsold oranges begin to pile up in the store. What is the BEST explanation of what is happening?

A local farmers’ market notices that when the price of strawberries increases, more vendors start selling strawberries at the market. When the price drops, fewer vendors bring them. a) Identify TWO economic concepts shown in this situation. (2 marks)b) Explain how these concepts influence the behaviour of sellers. (4 marks)

Which operation is used to determine the final dilution factor in serial dilutions?