Respiratory Therapist

Category - Infection Control and Equipment Troubleshooting and Quality Control

What is the description of an uncompensated Thorpe tube flowmeter?
  1. The needle valve is distal to the Thorpe tube.
  2. The needle valve is proximal to the Thorpe tube.
  3. The needle valve would not move.
  4. The needle valve would move continuously around.
Explanation
Answer: B - The needle being proximal to the Thorpe tube indicates an uncompensated Thorpe tube flowmeter.

The needle in the distal position would indicate that the device is backpressure compensated.
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