The flowmeters deliver gas to the patient through which outlet?

• A. Emergency gas outlet
• B. Common gas outlet
• C. Pressure release outlet
• D. Utility outlet

Answer: (B)

The flowmeters in an anesthesia machine are responsible for regulating and delivering the precise amounts of anesthetic gases to the patient. The gas that has been measured and adjusted by the flowmeters travels through the common gas outlet. This outlet is an integral component that allows the calibrated flow of gas to move from the machine to the patient's breathing system.

The common gas outlet is typically standardized across various anesthesia machines, ensuring compatibility with different breathing circuits used in clinical settings. This helps facilitate a reliable and controlled delivery of gases, which is critical for maintaining patient safety and effective anesthesia management.

In contrast, the other types of outlets such as the emergency gas outlet are specifically designed for different purposes, such as providing immediate access to medical gas in urgent situations. The pressure release outlet is meant to relieve excessive pressure within the anesthesia machine or the breathing circuit, while the utility outlet serves other functions like potentially powering additional equipment or tools but does not deliver gas to the patient. Thus, the common gas outlet is the correct source for delivering the anesthetic gases that have been adjusted by the flowmeters.