CAIE IGCSE Biology 9.2.3 Activity of the Heart May Be Monitored Questions
Practise describing pulse measurement and using ECG traces or valve sounds to monitor the activity of the heart.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- Name pulse rate, an ECG and listening to sounds from closing valves as methods of monitoring heart activity.
- Describe measuring pulse rate by counting beats over a timed interval.
- Calculate heart rate in beats per minute from the interval between heartbeats on an ECG trace.
CAIE IGCSE Biology 9.2.3 Activity of the Heart May Be Monitored Questions question 1
Fig. 3.1 is a diagram of a section through a human heart.
Fig. 3.1
An athlete measured her heart rate during a running race. She recorded it before the race, during the race and during her recovery.
Her results are shown in Fig. 3.2.
Fig. 3.2
Suggest how the athlete could monitor the activity of her heart.
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