12 Pairs of Cranial Nerves Quiz

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Questions and Answers

How many pairs of conventionally considered cranial nerves are there?

  • Twelve (correct)
  • Ten
  • Thirteen
  • Fifteen

Where do the olfactory nerves and optic nerves emerge from?

  • Brainstem
  • Cerebellum
  • Cerebrum (correct)
  • Spinal cord

Which part of the nervous system are the cranial nerves considered to be components of?

  • Peripheral nervous system (PNS) (correct)
  • Central nervous system (CNS)
  • Autonomic nervous system (ANS)
  • Enteric nervous system (ENS)

How are the cranial nerves different from the spinal nerves?

<p>Emerge from the brain and brainstem (A)</p> Signup and view all the answers

Which cranial nerve is more accurately considered part of the central nervous system (CNS)?

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

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Study Notes

Cranial Nerves

  • There are 12 pairs of conventionally considered cranial nerves.
  • The olfactory nerves (cranial nerve I) and optic nerves (cranial nerve II) emerge from the forebrain.
  • The cranial nerves are considered to be components of the peripheral nervous system (PNS).

Cranial Nerves vs. Spinal Nerves

  • Cranial nerves emerge from the brain, whereas spinal nerves emerge from the spinal cord.
  • Cranial nerves transmit information To/From the head and neck, whereas spinal nerves transmit information To/From the rest of the body.

Unique Cranial Nerve

  • The olfactory nerve (cranial nerve I) is more accurately considered part of the central nervous system (CNS) due to its unique function and anatomical location.

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