Nervous System Functions
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Questions and Answers

What is the main function of the autonomic nervous system?

  • To transmit sensory information
  • To regulate body temperature
  • To control voluntary activities
  • To control involuntary activities (correct)
  • What is the term for the nerves that arise from the underside of the brain?

  • Motor nerves
  • Spinal nerves
  • Sensory nerves
  • Cranial nerves (correct)
  • How many pairs of spinal nerves make up the spinal nervous system?

  • 12 pairs
  • 20 pairs
  • 40 pairs
  • 31 pairs (correct)
  • What is the term for the division of the nervous system that oversees voluntary activities?

    <p>Somatic nervous system</p> Signup and view all the answers

    What is the term for the roots of a spinal nerve?

    <p>Dorsal and ventral roots</p> Signup and view all the answers

    What is the term for the entire nervous system excluding the central nervous system?

    <p>Peripheral nervous system</p> Signup and view all the answers

    What are the two main divisions of the nervous system?

    <p>Central nervous system (CNS) and peripheral nervous system (PNS)</p> Signup and view all the answers

    What is the primary function of neuroglial cells?

    <p>To fill spaces, support neurons, and provide structural frameworks</p> Signup and view all the answers

    What is the process by which the nervous system interprets sensory information?

    <p>Integrative function</p> Signup and view all the answers

    What is the term for the nerves that connect the central nervous system to the rest of the body?

    <p>Peripheral nerves</p> Signup and view all the answers

    What is the function of sensory receptors at the ends of peripheral nerves?

    <p>To gather information and convert it into nerve impulses</p> Signup and view all the answers

    What is the term for the system that controls involuntary actions, such as heart rate and digestion?

    <p>Autonomic nervous system</p> Signup and view all the answers

    What is the main function of the autonomic nervous system?

    <p>To maintain homeostasis of visceral activities without conscious effort</p> Signup and view all the answers

    What type of nerves form plexuses?

    <p>Spinal nerves</p> Signup and view all the answers

    What is the origin of the lumbrosacral plexuses?

    <p>Lower spinal cord</p> Signup and view all the answers

    What is the function of the parasympathetic division of the autonomic nervous system?

    <p>To operate under normal conditions</p> Signup and view all the answers

    Where are the cervical plexuses located?

    <p>On either side of the neck</p> Signup and view all the answers

    What is the destination of the brachial plexuses?

    <p>Upper limbs</p> Signup and view all the answers

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