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Nervous System Functions and Classification Quiz

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Nervous System Functions and Classification Quiz

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Questions and Answers

What is the signaling device used by the nervous system to communicate with body cells?

Hormones

Enzymes

Electrical impulses (correct)

Chemical messengers

Which of the following is NOT one of the functions of the nervous system?

Sensory Input

Integration

Motor Output

Metabolic Regulation (correct)

What are the two subdivisions of the structural classification of the nervous system?

Spinal cord and Brain

Autonomic and Somatic

Sympathetic and Parasympathetic

CNS and PNS (correct)

Which organs form the central nervous system (CNS)?

Brain and Spinal Cord Signup and view all the answers

What do neurons use to transmit signals to other neurons or to target cells?

Nerve Impulses Signup and view all the answers

What is the main function of the Peripheral Nervous System (PNS)?

To serve as communication lines linking all parts of the body by carrying impulses to and from the sensory receptors to the CNS and from the CNS to the appropriate glands or muscles Signup and view all the answers

Which division of the functional classification scheme is concerned with conveying impulses to the central nervous system from sensory receptors?

Sensory division Signup and view all the answers

What are the two types of sensory fibers in the sensory or afferent division?

Somatic sensory fibers and Visceral sensory fibers Signup and view all the answers

Which subdivision of the motor or efferent division allows us to consciously control our skeletal muscles?

Somatic Nervous System Signup and view all the answers

What is the main function of the autonomic nervous system (ANS)?

To regulate events that are automatic, or involuntary, such as the activity of smooth and cardiac muscles and glands Signup and view all the answers

Which type of fibers deliver impulses from the skin, skeletal muscles, and joints?

Somatic sensory fibers Signup and view all the answers

What type of nerves carry impulses to and from the spinal cord?

Spinal nerves Signup and view all the answers

What are the two principal subdivisions in the functional classification scheme concerned with PNS structures?

Sensory division and Motor division Signup and view all the answers

What does the motor or efferent division carry impulses from?

CNS to effector organs, the muscles and glands Signup and view all the answers

What type of neurons are highly specialized to transmit messages (nerve impulses) from one part of the body to another?

Neurons or nerve cells Signup and view all the answers