Moderate

Damage to portion of cardiac muscle is called:

Correct answer: D. Both B and C

  • A. Cerebral infraction
  • B. Heart attack
  • C. Myocardial infarction
  • D. Both B and C

Explanation

Blockage of blood vessels in the heart by an embolus or a thrombus causes damage to a portion of heart muscles. This causes a heart attack which is also known as a myocardial infarction.

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About Circulation

The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.

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