IB Biology HL B3.1.6 Lung Volume Measurements Questions

Explore how spirometry quantifies tidal volume, ventilation rate, minute ventilation and vital capacity, and how training affects pulmonary function in IB Biology HL B3.1.6.

Exam points

Use spirometry to calculate tidal volume, ventilation rate, minute ventilation and vital capacity from traces or tables.
Compare tidal volume and ventilation-rate responses as exercise speed or intensity increases.
Use pulmonary-function measurements to infer how endurance training changes lung capacity or performance.

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Study B3.1.6—Lung volume measurements conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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Measurements of the lung capacity of a student were recorded using a spirometer and displayed with a data logger. Initially the student was at rest, then changed to carrying out strenuous exercise. The results are displayed in the graph.

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Calculate the ventilation rate at rest, giving the units.

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IB Biology HL B3.1.6 Lung Volume Measurements Questions question 1