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Home / Best Physiology Flashcards for USMLE Step 1 (Tried & Tested) / Ventilation-Perfusion Matching in the Lungs

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Ventilation-Perfusion Matching in the Lungs

This flashcard explains V/Q ratios, zones of the lung, and mechanisms of hypoxic vasoconstriction. It clarifies how ventilation and perfusion are matched to optimize gas exchange, a core concept for pulmonary physiology and Step 1 exam success.

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Part of Best Physiology Flashcards for USMLE Step 1 (Tried & Tested) by SandBox Studio. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.