Domain 2

Artifacts and Troubleshooting

Identify signal problems, equipment failure and urgent physiologic findings.

4questionsStudy mode

Question 1 of 4Basic

Slow rolling baseline drift appears in several channels as the patient becomes warm and diaphoretic. Which artifact is most likely?

Question 2 of 4Moderate

A regular high-frequency signal appears simultaneously in many channels and decreases when a nearby power adapter is unplugged. What is the likely source?

Question 3 of 4Moderate

The nasal pressure channel becomes flat while thermistor airflow and effort continue normally. What should the technologist do first?

Question 4 of 4Advanced

An ECG tracing suddenly becomes a flat line, but pulse oximeter plethysmography and the patient remain normal. What is the best first response?

Reference framework

These are independently written educational questions aligned to the public BRPT blueprint and professional technical references. Always use the current official scoring manual, laboratory policy and clinician orders in practice.