The anaesthetic machine

Question 1

gas cylinders and colours
oxygen
Nitrous oxide
Medical air

Answer 1

oxygen - black with white top
nitrous oxide - blue with white top
Medical air - White

Question 2

oxygen generator

Answer 2

used in practice instead of a gas or piped cylinder oxygen

Question 3

Pressure Gauge

Answer 3

provides information on the gas left in the cylinder or pipeline gas supply.
should be checked before using the anaesthetic machine as part of your equipment checklist

Question 4

Pressure reducing valve

Answer 4

reduces the pressure coming from the gas coming from the cylinder and maintains a constant pressure to prevent any surge in the pressure being relayed to the patient

Question 5

flowmeter/ rotameter

Answer 5

provides the final stage in the reduction of the pressure of gas and they allow manual adjustment of the volume of gas delivered to the patient

Question 6

emergency oxygen flush

Answer 6

provides oxygen directly from the cylinder or pipeline directly bypassing the vaporiser

Question 7

mini schrader sockets

Answer 7

gas sockets that provide oxygen or air to power ventilators

Question 8

Vaporiser

Answer 8

automatically compensate if the temperature changes to ensure maintenance of a constant concentrations of inhalation agent in the delivered gas mixture