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Piping Systems in Healthcare

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Questions and Answers

What is the function of wall/station outlets in a piping system?

To allow for the connection of various types of equipment to the pipe system (correct)

To monitor the pressure and temperature of the gases in the pipes

To provide visual indication of gas flow in the pipes

To regulate the flow of medical gases in the piping system

What is the primary advantage of a piping system for delivering medical gases?

Reduce the risk of gas leakages in the hospital

Enable easy monitoring of individual patient gas usage

Provide a continuous and uninterrupted supply of medical gases (correct)

Minimize the need for maintenance and inspections

What is the purpose of riser lines in a piping system?

To monitor the flow and temperature of the gases in the pipes

To allow for the connection of medical equipment to the pipe system

To regulate the pressure of the medical gases in the piping system

To transport gases from the main line to upper floors or elevated areas (correct)

What is the purpose of alarms in a piping system for medical gases?

To warn of a decrease in pressure or interruptions of flow Signup and view all the answers

What happens when the primary shut-off is open?

Plunger is depressed, opening the outlet holes for gas flow Signup and view all the answers

What is the function of the secondary shut-off valve?

Preventing pressurized gas from escaping into the room Signup and view all the answers

What is the state of the plunger in the closed position of the primary shut-off?

Not depressed, outlet holes are occluded by the stem Signup and view all the answers

What is the purpose of the spring behind the secondary shut-off valve?

Activating the secondary shut-off valve when the primary shut-off is removed Signup and view all the answers

What precaution should be taken to prevent rapid pressure changes when using a gas cylinder?

Slowly open the cylinder valve Signup and view all the answers

Why is it important to ensure that the regulator or reducing valve is in the off or closed position when not in use?

To prevent failure of the reducing valve Signup and view all the answers

What risk is increased in the presence of O2 when rapid decompression and recompression occur?

Risk of igniting combustible materials Signup and view all the answers

What happens when a less dense gas is used in a flowmeter calibrated for a denser gas?

The flowmeter will indicate a lower flow rate than the actual flow rate of the less dense gas Signup and view all the answers

What correction factors are applicable for Heliox (He/O2) when using oxygen flowmeter?

1.6 x 10: 16L/min for 70% He/30% O2 and 1.8 x 10: 18L/min for 80% He/20% O2 Signup and view all the answers

How does the use of a less dense gas affect the gas flow indicated by the flowmeter?

More gas will leave the flowmeter than is indicated on the flowmeter Signup and view all the answers

What is the impact of using a less dense gas on the lifting of the float in a flowmeter?

More molecules of gas are required to lift the float Signup and view all the answers