The peaks and valleys of the electrical impulses responsible for the cardiac cycle are called ____.

Question

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The peaks and valleys of the electrical impulses responsible for the cardiac cycle are called deflections. Option A, electrodes, are conductive pads that attach to the skin to measure electrical activity. Option B, styluses, are instruments used for writing and drawing. Option C, leads, are wires that connect the electrodes to the electrocardiogram machine. Option E, probes, are instruments used for exploration or examination of a body part or tissue.

The Peaks and Valleys of the Electrical Impulses Responsible for the Cardiac