Waec Model Questions Vol1 2025 Biology Question 17
Practice objective / multiple choice question 17 from the 2025 Waec Model Questions Vol1 Biology examination.
The diagram shows the branching of the right lung, including the right main bronchus, the bronchus to the right lower lobe, the right lower lobe itself, and the pulmonary artery that supplies that lobe. If the bronchus to the right lower lobe becomes constricted while the pulmonary artery remains patent, what will be the effect on the ventilation‑perfusion (V/Q) ratio of the right lower lobe? State whether the V/Q ratio will increase, decrease, or remain unchanged, and give a brief justification.
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This is Waec Model Questions Vol1 2025 Biology Question 17. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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