Which statement best describes an ECG's use?

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Multiple Choice

Which statement best describes an ECG's use?

Explanation:
An ECG’s purpose is to monitor the heart’s electrical activity as it triggers each heartbeat, and this activity is presented as a trace that can be printed or viewed digitally for review and record-keeping. The best description combines both components: it records the heart’s electrical signals and provides a printable trace that clinicians use to assess rhythm, rate, and conduction. The other statements miss key parts: blood pressure is measured with a cuff, brain waves are recorded by an EEG, and simply saying it records electrical activity doesn’t capture the practical trace output that’s essential for interpretation.

An ECG’s purpose is to monitor the heart’s electrical activity as it triggers each heartbeat, and this activity is presented as a trace that can be printed or viewed digitally for review and record-keeping. The best description combines both components: it records the heart’s electrical signals and provides a printable trace that clinicians use to assess rhythm, rate, and conduction. The other statements miss key parts: blood pressure is measured with a cuff, brain waves are recorded by an EEG, and simply saying it records electrical activity doesn’t capture the practical trace output that’s essential for interpretation.

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