The oxygen-hemoglobin dissociation curve shifts right when:

A pH increases

B Temperature decreases

C CO2 concentration increases

D 2,3-BPG decreases

✓ Correct Answer: Option C

Increased CO2 (Bohr effect), decreased pH, increased temperature, and increased 2,3-BPG all shift the curve right, promoting O2 release to tissues.

💡 Why is C) the correct answer?

The correct answer to the question "The oxygen-hemoglobin dissociation curve shifts right when:" is Option C: CO2 concentration increases.

The other options — A) pH increases, B) Temperature decreases, D) 2,3-BPG decreases — are incorrect for this MCAT Exam Prep question. As explained above: Increased CO2 (Bohr effect), decreased pH, increased temperature, and increased 2,3-BPG all shift the curve right, promoting O2 release to tissues.

📚 About This MCAT Exam Prep Practice Question

This 3-level MCAT Exam Prep question from the Biological & Biochemical Foundations topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free MCAT Exam Prep practice test or use flashcards for spaced repetition review.

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The oxygen-hemoglobin dissociation curve shifts right when:

✓ Correct Answer: Option C

📚 About This MCAT Exam Prep Practice Question

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