The EKG is a recording of the

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Quizplus · Accepted Answer

The EKG (also called ECG) stands for Electrocardiogram, which is a recording of the heart's electrical activity. This means that the EKG provides information about the heart's electrical impulses that regulate its rhythm and contraction, which can help diagnose a variety of heart conditions. It does not record the heart's mechanical activity, which would require other types of tests (such as echocardiography, angiography, or MRI). The brain's electrical activity can be recorded with an electroencephalogram (EEG), which is a different test from the EKG. So, answer C - heart's electrical activity - is the best choice.

The EKG Is a Recording of the