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IB Biology HL B3.2.4 Pulse Rate Measurement Questions

Explore how radial or carotid pulse counts provide a reproducible measure of heart rate during exercise in IB Biology HL B3.2.4.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Describe a reproducible pulse-rate method by locating the radial or carotid artery, counting beats for a full minute, or scaling a shorter timed count.

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Study B3.2.4—Pulse rate measurement conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL B3.2.4 Pulse Rate Measurement Questions question 1

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The graph shows the relationship between the maximum heart rate during exercise and a person's age.

Figure for Question IB Biology HL B3.2.4 Pulse Rate Measurement Questions question 1 — IB Biology HL

Outline one method that the researchers could have used to measure heart rate in this study.

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