The sympathetic nervous system is responsible for:

A Rest and digest responses

B Fight or flight responses

C Voluntary muscle control

D Higher cognitive functions

✓ Correct Answer: Option B

The sympathetic division of the autonomic nervous system activates fight-or-flight responses: increased heart rate, dilated pupils, adrenaline release.

💡 Why is B) the correct answer?

The correct answer to the question "The sympathetic nervous system is responsible for:" is Option B: Fight or flight responses.

The other options — A) Rest and digest responses, C) Voluntary muscle control, D) Higher cognitive functions — are incorrect for this MCAT Exam Prep question. As explained above: The sympathetic division of the autonomic nervous system activates fight-or-flight responses: increased heart rate, dilated pupils, adrenaline release.

📚 About This MCAT Exam Prep Practice Question

This 1-level MCAT Exam Prep question from the Psychological, Social & Biological 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 sympathetic nervous system is responsible for:

✓ Correct Answer: Option B

📚 About This MCAT Exam Prep Practice Question

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