Colour coding of anaesthetic gases – Anaesthesia MCQs

Which of the following is correct regarding colour coding of anaesthetic gases?

A. Oxygen – Black with grey shoulders
B. Nitrous oxide – Blue
C. Cyclopropane – Red
D. Helium – Orange

Correct answer : B. Nitrous oxide – Blue
Colour coding of anaesthetic gases

Oxygen – Black with white shoulders
Nitrous oxide – Blue
Cyclopropane – Orange
Carbon Dioxide – Grey
Nitrogen – Black
Helium – Brown
Air – Grey body with white & black quartered shoulder