Igcse Model Questions Vol1 2017 Biology Question 11
Practice objective / multiple choice question 11 from the 2017 Igcse Model Questions Vol1 Biology examination.
At rest a person has a tidal volume of 500 mL and a respiratory rate of 20 breaths min⁻¹. The anatomical dead‑space volume is 150 mL. During moderate exercise the tidal volume increases by 20 % and the respiratory rate rises to 30 breaths min⁻¹, while the proportion of dead‑space to tidal volume remains unchanged. Calculate the percentage increase in alveolar ventilation from rest to exercise.
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This is Igcse Model Questions Vol1 2017 Biology Question 11. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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