Introductory Psychology CLEP Prep Practice Exam

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Prepare for the CLEP Psychology Exam with flashcards and multiple-choice questions. Each question comes with hints and explanations to help you succeed. Master the content and pass your exam!

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What is the primary role of neurotransmitters in the body?

Modulate heart rate and breathing
Stimulate physical activity
Relay information between nerve cells
Orchestrate the body's endocrine system

The correct answer is: Relay information between nerve cells

Neurotransmitters are chemical messengers that play a crucial role in transmitting signals between nerve cells in the body. They are responsible for relaying information and facilitating communication between different areas of the nervous system, including the brain, spinal cord, and peripheral nerves. While some neurotransmitters may have effects on heart rate and breathing, their primary role is not to modulate these bodily functions. Additionally, while neurotransmitters may have some influence on physical activity, their main function is not to stimulate it. They also do not orchestrate the body's endocrine system, which is primarily regulated by hormones. Therefore, the correct answer is C relay information between nerve cells.