A pre-hospital team is using an oxygen cylinder to deliver high-flow oxygen at 15 L/min via a non-rebreather mask. The CD-size cylinder contains 460 l...

Question

A pre-hospital team is using an oxygen cylinder to deliver high-flow oxygen at 15 L/min via a non-rebreather mask. The CD-size cylinder contains 460 litres of oxygen when full. The gauge shows it is half full (230 litres remaining). Approximately how many minutes of oxygen delivery remain at 15 L/min?

Accepted Answer

Approximately 15 minutes

Answer

Approximately 45 minutes

Answer

Approximately 5 minutes

Answer

Approximately 30 minutes

Answer

Approximately 60 minutes

uk-dipimc MCQ (SBA): Oxygen Cylinder Duration Calculation