Certified Healthcare Constructor (CHC) Practice Exam

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Where should pressure indicators be provided for medical gas systems?

On the main supply line, at the area alarm, outlet/inlet side of zone valve
Only at the outlet of the system, near the patient beds
Along the entire length of the piping system
Near the oxygen tanks and supply inventory

The correct answer is: On the main supply line, at the area alarm, outlet/inlet side of zone valve

Providing pressure indicators on the main supply line, at the area alarm, and on the outlet/inlet side of the zone valve is essential for effective monitoring and management of medical gas systems. These pressure indicators serve a crucial safety function, ensuring that any changes in pressure are detected promptly, which can signify potential issues such as leaks or system failures. Positioning the indicators in these specific locations allows for continuous monitoring of the system's status throughout its critical components. The main supply line is where pressure is primarily regulated and monitored, while the zone valves control the flow to specific areas. Having indicators near the area alarms enhances situational awareness and response to any anomalies, protecting both patient safety and the integrity of the medical gas supply. While other choices may focus on certain locations within the system, they do not provide the comprehensive coverage needed for optimal safety and efficiency. For instance, placing indicators only at the outlet of the system near patient beds would limit the ability to identify issues upstream where they might originate.