When preparing a patient for an ECG, dry shaving the hair from the chest and/or legs sites is necessary because:

Question

Quizplus · Accepted Answer

Shaving the hair from the chest and/or leg sites improves the contact between the skin and the electrodes, which is necessary for accurate ECG readings. It also helps reduce electrical impedance caused by hair, which can interfere with the signals picked up by the electrodes. The other options are not entirely true or relevant in this context.

When Preparing a Patient for an ECG, Dry Shaving the Hair