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O2 Cylinder Colour UK — FRCA Primary MCQ

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EasyPhysics & Clinical MeasurementO2 Cylinder Colour UKFRCA Primary

In the context of gas supply oxygen cylinders in the UK are coloured:

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: EBlack with white shoulders

UK gas cylinder colours: oxygen = black body with white shoulder / nitrous oxide = blue / air = grey with black and white quartered shoulder / carbon dioxide = grey / Entonox = blue with blue and white quartered shoulder / nitrogen = black / helium = brown. The international colour standard has the body and shoulder both white for oxygen.

Reference: Al-Shaikh Stacey 2019 Essentials of Anaesthetic Equipment