KROK 1 2015 – Question 40 · KROK (Medicine) · Physiology
Electrocardiogram analysis demonstrates that cardiac cycle of a human equals 1 second. It means that heart rate per minute equals:
- A. 50
- B. 70
- C. 80
- D. 100
- E. 60
Hint
Heart rate is counted per minute, so convert the duration of one full cardiac cycle into the number of such cycles that fit into a minute.
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