Multiple choice

What is the difference between pulse rate and heart rate?

  1. They are numerically different.

  2. They are one and the same.

  3. Pulse is the expansion and contraction of artery, whereas heart rate is contraction and relaxation of heart muscles.

  4. Pulse rate doesn't change with strenuous exercise, whereas heart rate increases with vigorous exercise.
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C Correct answer
Explanation

The difference is that pulse is expansion and contraction of artery, whereas heart rate is contraction and relaxation of heart muscles.

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