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Cranial Nerves Overview - Anatomy & Physiology

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  • What is the primary function of the Olfactory nerve (CN I)?

    Smell

  • Which cranial nerve is responsible for vision?

    Optic nerve (CN II)

  • What are the main functions of the Oculomotor nerve (CN III)?

    Eye movement and pupil constriction

  • Which cranial nerve controls eye movement and is purely motor?

    Trochlear nerve (CN IV)

  • What functions does the Trigeminal nerve (CN V) serve?

    Facial sensation and chewing

  • Which cranial nerve is responsible for lateral eye movement?

    Abducens nerve (CN VI)

  • What are the main functions of the Facial nerve (CN VII)?

    Facial expression and taste on the anterior tongue

  • Which cranial nerve is involved in hearing and balance?

    Vestibulocochlear nerve (CN VIII)

  • What functions does the Glossopharyngeal nerve (CN IX) perform?

    Taste on the posterior tongue and swallowing

  • Which cranial nerve controls heart, lungs, and digestion functions?

    Vagus nerve (CN X)

  • What is the main function of the Accessory nerve (CN XI)?

    Neck and shoulder movement

  • Which cranial nerve controls tongue movement?

    Hypoglossal nerve (CN XII)

  • What is the mnemonic to remember the sensory, motor, or both types of cranial nerves?

    "Some Say Marry Money, But My Brother Says Big Brains Matter More"

  • Which cranial nerves are involved in taste and their corresponding tongue regions?

    Facial (VII) - anterior tongue, Glossopharyngeal (IX) - posterior tongue, Vagus (X) - epiglottis/throat

  • Name the highest-yield cranial nerve for vision.

    Optic nerve (CN II)

  • Which cranial nerve is key for pupil constriction?

    Oculomotor nerve (CN III)

  • Which cranial nerve is essential for facial sensation and chewing?

    Trigeminal nerve (CN V)

  • Which cranial nerve controls facial expression and taste?

    Facial nerve (CN VII)

  • Which cranial nerve is responsible for hearing and balance?

    Vestibulocochlear nerve (CN VIII)

  • Which cranial nerve controls taste on the posterior tongue?

    Glossopharyngeal nerve (CN IX)

  • Which cranial nerve controls tongue movement?

    Hypoglossal nerve (CN XII)