Questions: This nerve transmits sensory impulses involving equilibrium.

This nerve transmits sensory impulses involving equilibrium.
Transcript text: This nerve transmits sensory impulses involving equilibrium.
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Solution

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The answer is the second one (or B): CN VIII.

Explanation for each option:

  • CN V (Trigeminal nerve): This nerve is primarily responsible for transmitting sensory information from the face and head, and it also controls the muscles involved in chewing. It is not involved in equilibrium.
  • CN VIII (Vestibulocochlear nerve): This nerve is responsible for transmitting sensory impulses related to both hearing and equilibrium (balance). It has two main components: the cochlear nerve for hearing and the vestibular nerve for balance.
  • CN I (Olfactory nerve): This nerve is responsible for the sense of smell. It does not play a role in equilibrium.
  • CN II (Optic nerve): This nerve is responsible for vision. It does not transmit sensory impulses related to equilibrium.
  • CN VII (Facial nerve): This nerve controls the muscles of facial expression, and it also conveys some taste sensations from the anterior two-thirds of the tongue. It is not involved in equilibrium.

Summary: The nerve that transmits sensory impulses involving equilibrium is CN VIII (Vestibulocochlear nerve).

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