These questions actually relate to Entonox which, as I’m sure you all know, is a 50:50 mixture of oxygen and nitrous oxide.
Q. An Entonox cylinder contains a mixture of liquid and vapour. TRUE/ FALSE
Q. An Entonox cylinder is coloured French blue and white. TRUE/ FALSE
Q. The Poynting effect refers to how interactions between two different gases leads to a change in their physical properties. TRUE/ FALSE
Q. Entonox provides about 0.5 MAC. TRUE/ FALSE
Q. Can cause megaloblastic anaemia. TRUE/ FALSE