N2O Cylinder Blue UK — FRCA Primary MCQ

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EasyPhysics & Clinical MeasurementN2O Cylinder Blue UKFRCA Primary

The colour code for a nitrous oxide cylinder body in the UK is:

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Correct answer: D — Blue

UK N2O cylinder: blue body / blue and white quartered shoulder. International: blue body. Colour codes are a safety feature but should not be relied upon alone — always check the label. Pin-index positions for N2O are 3-5.

Reference: Al-Shaikh Stacey 2019 Essentials of Anaesthetic Equipment