Anesthesia Equipment

Question 1

Main supply source for anesthesia machine

Answer 1

Pipeline Supply (50 psi)

Question 2

Backup source (in event of pipeline failure)

Answer 2

Cylinder supply

Question 3

Reduce pipeline and cylinder tank pressures to safe and consistent levels before delivery to patient

Answer 3

Pressure regulators

Question 4

Minimize likelihood of delivering hypoxic gas mixtures

Answer 4

Oxygen Supply Failure Protection Devices

Question 5

Control amount of gas delivered to breathing limb

Answer 5

Flow valves and meters

Question 6

High-pressure circuit

Answer 6

Upstream to flow valves

Question 7

Low-pressure circuit

Answer 7

Downstream to flow valves

Question 8

Downregulates Oxygen supply (pipeline or cylinder) to a precise pressure (usually 14 psi) to ensure that a constant Oxygen pressure is supplied

Answer 8

Second-stage regulator

Question 9

First and primary interface between O2 and N2O supply; will either shut off or proportionally decrease N2O flow in event of O2 supply failure

Answer 9

Fail-safe valve

Question 10

One-way valves to prevent retrograde flow into vaporizers

Answer 10

Check valves

Question 11

Convert liquid volatile anesthetic to gas

Answer 11

Vaporizers

Question 12

Provides high flow (50L/min) O2 bypassing flowmeters and vaporizers

Answer 12

O2 flush valve