Q. An ECG (Cardiogram) records:

  • (A) Brain waves
  • (B) Blood pressure
  • (C) Heart's electrical activity
  • (D) Lung capacity
✅ Correct Answer: (C) Heart's electrical activity
Explanation: An ECG traces the electrical activity of the heart.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 03:56 pm in General Awareness

Explanation by: Mr. Dubey
An ECG traces the electrical activity of the heart.

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