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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 3b Respiratory System Gas Exchange

Study 3b Respiratory System Gas Exchange in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

State the law that relates alveolar pressure to surface tension and radius.

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ANSWER

P=frac2TrP=frac{2T}{r} (Laplace law). It shows pressure required to prevent collapse is inversely proportional to radius and directly to tension.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 3: Organ Systems and Homeostasis

You are hereRespiratory System Structure and Gas Exchange (3B)25 cards

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What this deck covers

This deck focuses on 3b Respiratory System Gas Exchange, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
In an ex vivo perfused-lung experiment, investigators decreased alveolar surface area by selectively collapsing a fraction of alveoli while keeping the remaining alveoli ventilated and perfused. Total pulmonary blood flow and inspired O2_2 fraction were held constant. Which result is most consistent with this manipulation?
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