One complete heartbeat consists of one systole and one diastole and lasts for about:
Correct answer: A. 0.8 sec
- A. 0.8 sec
- B. 0.2 sec
- C. 0.4 sec
- D. 0.5 sec
Explanation
0.8 seconds: This option is the correct answer. One complete heartbeat, which includes one systole (contraction) and one diastole (relaxation) of the heart, typically lasts for 0.8 seconds.
This question appeared on the UHS MDCAT 2015 paper, which you can sit online with every answer explained.
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