Pertanyaan
What does the electroc :ardiography (ECG) record? Heart rate Body temperature Blood pressure Electrical activity of the heart
Jawaban
Here's why:
* Electrocardiography (ECG) is a medical test that measures the electrical activity of the heart. It records the heart's electrical signals as waves on a graph. These waves can help doctors diagnose various heart conditions.
Let's look at why the other options are incorrect:
* Heart rate: While an ECG can be used to determine heart rate, it doesn't directly record it. The ECG measures the electrical signals that cause the heart to beat.
* Body temperature: Body temperature is measured using a thermometer, not an ECG.
* Blood pressure: Blood pressure is measured using a sphygmomanometer, not an ECG.
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