Certified EkG technician (CET) Practice Exam

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How can a technician check for lead placement accuracy?

Listen for heart sounds
Utilize a calibration stimulus
Check visual alignment on the monitor
Assess skin sensitivity

The correct answer is: Check visual alignment on the monitor

Checking for lead placement accuracy is crucial in obtaining an accurate electrocardiogram (EKG) reading. The correct method in this scenario involves checking visual alignment on the monitor. When the leads are placed correctly, the EKG trace on the monitor should display distinct waveforms that correspond accurately to the electrical activity of the heart. Proper alignment helps ensure that the technician can assess the heart's rhythm and any potential abnormalities effectively. Utilizing a calibration stimulus is a method that assesses the functionality of the equipment rather than confirming lead placement. While listening for heart sounds might provide some information about heart function, it does not help in verifying whether the EKG leads are placed correctly. Assessing skin sensitivity, on the other hand, relates to evaluating the patient's reaction to the electrodes but does not provide direct feedback about the accuracy of lead placement. Thus, checking visual alignment on the monitor becomes the most effective approach for ensuring that the leads are placed accurately.