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 (C)</p> Signup and view all the answers

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

<p>Dorsal and ventral roots (D)</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 (B)</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) (C)</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 (C)</p> Signup and view all the answers

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

<p>Integrative function (C)</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 (D)</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 (D)</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 (A)</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 (A)</p> Signup and view all the answers

What type of nerves form plexuses?

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

What is the origin of the lumbrosacral plexuses?

<p>Lower spinal cord (B)</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 (D)</p> Signup and view all the answers

Where are the cervical plexuses located?

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

What is the destination of the brachial plexuses?

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

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