Question

What is the purpose of an electrocardiogram (ECG)?

a.

To visualize the coronary arteries

b.

To assess the functional capacity of the heart

c.

To record the electrical activity of the heart

d.

To assess blood flow through the heart

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Answer: (c).To record the electrical activity of the heart Explanation:An ECG is a non-invasive test that records the electrical activity of the heart on a paper.

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