🔬 MCAT Exam Prep

Which blood type is considered the universal donor for red blood cells?

A AB+
B O-
C A+
D B-

✓ Correct Answer: Option B

Type O- lacks A, B, and Rh antigens on red blood cells, so it can be transfused to recipients of any blood type without triggering an immune response.

💡 Why is B) the correct answer?

The correct answer to the question "Which blood type is considered the universal donor for red blood cells?" is Option B: O-.

The other options — A) AB+, C) A+, D) B- — are incorrect for this MCAT Exam Prep question. As explained above: Type O- lacks A, B, and Rh antigens on red blood cells, so it can be transfused to recipients of any blood type without triggering an immune response.

📚 About This MCAT Exam Prep Practice Question

This 1-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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