Certified Biomedical Equipment Technician (CBET) 2025 – 400 Free Practice Questions to Pass the Exam

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A technician is checking the accuracy of a pulse oximeter with a SpO2 simulator. The oximeter does not produce any SpO2 reading. When the technician places a finger in the probe, the SpO2 reads "98". What is the best action?

Replace sensor or finger probe

Swap out the pulse oximeter for repair

Send SpO2 simulator to factory for repair

Check SpO2 simulator manual to verify that simulator will function on the pulse oximeter model

The best action is to check the SpO2 simulator manual to verify that the simulator will function on the pulse oximeter model. This step is crucial because it ensures that the simulator is compatible and correctly configured for the specific oximeter being tested. Each pulse oximeter model may have unique requirements for the simulator, including settings for the type of monitoring and sensitivity. If the simulator is not compatible with the oximeter, it would explain why the oximeter is not producing a SpO2 reading during the initial test. By verifying the manual, the technician can determine whether there are any specific protocols or adjustments needed to ensure proper function between the two devices, thereby facilitating accurate testing. This foundational step can save time and resources and lead to more effective troubleshooting.

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