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BDS 1 - Head & Neck Anatomy > Head & Neck Muscles (Cranial Nerves) > Flashcards

Head & Neck Muscles (Cranial Nerves) Flashcards

1
Q

What is the pneumonic to remember the 12 cranial nerves?

A

Oh, Oh, Oh, To, Touch, And, Feel, Virgin, Girls, Vagina, And, Hymen

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2
Q

What is the pneumonic to remember whether the cranial nerve is motor, sensory, or both?

A

Some, Say, Marry, Money, But, My, Brother, Says, Big, Business, Makes, Money

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3
Q

What are the 12 cranial nerves?

A 
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
(Spinal )Accessory
Hypoglossal
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4
Q

What is the function of CN I?

A

Sensory

Conveys special sensory info relating to SMELL

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5
Q

What is the function of CN II?

A

Sensory

Conveys visual/sensory information from retina

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6
Q

What is the function of CN III?

A

Motor

Innervation of the eye muscles allowing movement and raising the eyelid

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7
Q

What is the function of CN IV?

A

Motor

Oblique movement of eyes

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8
Q

What is the function of CN V?

3 Branches separately

A

V1 - Ophthalmic: Sensory

  • Sensation from cornea, skin of forehead, scalp, eyelids, nose, nasal cavity mucosa

V2 - Maxillary: Sensory

  • Sensation from face over maxilla, upper lip, maxillary teeth (superior alveolar nerve)

V3 - Mandibular: Both

  • Sensation of mandible, mandibular teeth (inferior alveolar nerve), mucosa of mouth and anterior 2/3 tongue sensation
  • Motor movements include moving temporalis, masseter, orbicularis oris, buccinator, lateral and medial pterygoid
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9
Q

What is the function of CN VI?

A

Motor

Lateral movement of eye

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10
Q

What is the function of CN VII?

A

Both

Sensation of taste from anterior 2/3 of tongue

Motor movements include movement of facial expression muscles

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11
Q

What is the function of CN VIII?

A

Sensory

Transmits sound and equilibrium (balance) information from inner ear to the brain

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12
Q

What is the function of CN IX?

A

Both

Sensation of posterior 1/3 tongue (taste), tonsils, the pharynx, and the middle ear

Motor to stylopharyngeus muscle (in neck) - involved in elevating larynx + pharynx, and functions in swallowing

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13
Q

What is the function of CN X?

A

Both

Sensation to tongue, larynx, respiratory tract, heart, (epiglottis & palate), external ear canal

Motor to muscles of pharynx, larynx, palate, upper 2/3 oesophagus.
P/S to trachea, bronchi, GIT, heart

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14
Q

What is the function of CN XI?

A

Motor

Motor to sternocleidomastoid and trapezius muscles

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15
Q

What is the function of CN XII?

A

Motor

Motor to intrinsic and extrinsic muscles of the tongue

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BDS 1 - Head & Neck Anatomy (5 decks)

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