Practice Quiz

Respiratory Therapist

Category - Infection Control and Equipment Troubleshooting and Quality Control

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If a Bourdon gauge flowmeter has an obstruction at the outlet, what will the gauge read?
  1. It will be accurate.
  2. It will read lower.
  3. It will read higher.
  4. It will read accurately if upside down.
Explanation
Answer: C - If a Bourdon gauge flowmeter has an obstruction in the outlet the device will read higher than is accurate.

Caution must be taken when using a Bourdon gauge flowmeter because if there is an obstruction in the outlet or any tubing it will show a higher than accurate reading from backpressure. The device is not gravity dependent so it doesn’t matter what position the device is in which makes it convenient for transport but practitioner should always be away of any potential obstructions as the patient could be receiving inadequate oxygenation if back pressure is occurring.
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