Overview of the 12 Cranial Nerves

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Questions and Answers

What is the main function of the olfactory nerve?

Sense of smell

What type of information does the Optic Nerve carry, and where does it carry it to?

Visual information from the eyes to the brain.

What functions does the oculomotor nerve control?

Eye movements, pupil size, and eyelid elevation.

Which eye muscle does the Trochlear nerve control?

<p>Superior oblique muscle</p> Signup and view all the answers

List some sensory and motor functions of the trigeminal nerve.

<p>Functions for the face, head, and mouth</p> Signup and view all the answers

What eye muscle does the abducens nerve control?

<p>Lateral rectus muscle</p> Signup and view all the answers

Name the functions controlled by the facial nerve.

<p>Facial expressions, taste, and tear production.</p> Signup and view all the answers

Vestibulocochlear nerve is responsible for what

<p>Hearing and balance.</p> Signup and view all the answers

Which functions are controlled by the Glossopharyngeal nerve?

<p>Taste, swallowing, and salivation.</p> Signup and view all the answers

Describe the functions that the vagus nerve controls.

<p>Heart rate, digestion, and other involuntary functions.</p> Signup and view all the answers

What muscles are controlled by the Accessory nerve?

<p>Neck and shoulder muscles.</p> Signup and view all the answers

What function does the Hypoglossal nerve control?

<p>Tongue movement</p> Signup and view all the answers

Flashcards

Olfactory Nerve

Sense of smell.

Optic Nerve

Carries visual information from the eyes to the brain.

Oculomotor Nerve

Controls eye movements, pupil size, and eyelid elevation.

Trochlear Nerve

Controls eye movement (superior oblique muscle).

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Trigeminal Nerve

Sensory and motor functions for the face, head, and mouth.

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Abducens Nerve

Controls eye movement (lateral rectus muscle).

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Facial Nerve

Controls facial expressions, taste, and tear production.

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Vestibulocochlear Nerve

Responsible for hearing and balance.

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Glossopharyngeal Nerve

Controls taste, swallowing, and salivation.

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Vagus Nerve

Controls heart rate, digestion, and other involuntary functions.

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Study Notes

  • There are 12 cranial nerves.

List of Cranial Nerves

  • Olfactory nerve: Responsible for the sense of smell.
  • Optic nerve: Carries visual information from the eyes to the brain.
  • Oculomotor nerve: Controls eye movements, pupil size, and eyelid elevation.
  • Trochlear nerve: Controls eye movement, specifically the superior oblique muscle.
  • Trigeminal nerve: Handles sensory and motor functions for the face, head, and mouth.
  • Abducens nerve: Controls eye movement, specifically the lateral rectus muscle.
  • Facial nerve: Controls facial expressions, taste, and tear production.
  • Vestibulocochlear nerve: Responsible for hearing and balance.
  • Glossopharyngeal nerve: Controls taste, swallowing, and salivation.
  • Vagus nerve: Controls heart rate, digestion, and other involuntary functions.
  • Accessory nerve: Controls neck and shoulder muscles.
  • Hypoglossal nerve: Controls tongue movement.

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