WAGD inlet shall be installed in all locations where which gas is intended to be administered?

• A. Nitrogen
• B. Oxygen
• C. Medical Air
• D. Nitrous Oxide

Answer: (D)

Waste anesthetic gas disposal systems are designed to capture and remove anesthetic gases from the environment to protect staff from exposure. A WAGD inlet is installed at locations where anesthesia gases are used so the exhaled or vented gases can be routed to the scavenging system. Nitrous oxide is a common inhalational anesthetic, and its administration creates potential exposure if not captured, so the inlet is required there. Oxygen and medical air, while essential clinical gases, are not anesthetic gases and do not require a WAGD inlet for scavenging. The key idea is to install WAGD where anesthetic gases are used to ensure proper capture of waste gas and protect personnel.