Q. A cardiogram records:

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

Published by Mr. Dubey ⭐ 111.54K Points at 04-Aug-2026 06:49 am in General Awareness

Explanation by: Mr. Dubey
A cardiogram records the electrical activity of the heart.

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