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Module 202 Neuroscience & behaviour > Cranial nerves & MT1 > Flashcards

Cranial nerves & MT1 Flashcards

1
Q

What is cranial nerve I?

A

Olfactory

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2
Q

What is cranial nerve II?

A

Optic

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3
Q

What is cranial nerve III?

A

Occulomotor

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4
Q

What is cranial nerve IV?

A

Trochlear

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5
Q

What is cranial nerve V?

A

Trigeminal

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6
Q

What is cranial nerve VI?

A

Abducens

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7
Q

What is cranial nerve VII?

A

Facial

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8
Q

What is cranial nerve VIIII?

A

Vestibulocochlear

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9
Q

What is cranial nerve IX?

A

Glossopharyngeal

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10
Q

What is cranial nerve X?

A

Vagus

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11
Q

What is cranial nerve XI?

A

Spinal accessory

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12
Q

What is cranial nerve XII?

A

Hypoglosseal

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13
Q

What is the entry/exit & function for cranial nerve I?

A

Sensory
Enter: cribriform plate
Function: Smell

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14
Q

What is the entry/exit & function for cranial nerve II?

A

Sensory
Enter: Optic canal
Function: vision

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15
Q

What is the entry/exit & function for cranial nerve III?

A

Motor - visceral efferent
Exit: Superior orbital fissure
Function: Innervate muscles in eye

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16
Q

What muscles does the oculomotor nerve innervate?

A

Levator palpebrae
Superior/inferior/medial rectus
Inferior oblique
Sphincter pupillae & cilliary

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17
Q

What is the entry/exit & function for cranial nerve IV?

A

Motor
Exit: superior orbital fissure
Function: Innervate superior oblique muscle

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18
Q

/What is the entry/exit & function for cranial nerve Vi (ophthalmic)

A

Sensory
Enter: superior orbital fissure
Function: sensory from face, nasal, orbital structures

19
Q

What are the divisions of the trigeminal nerve?

A

Ophthalmic - lacrimal, frontal, maxillary
Maxillary
Mandibular - lingual, inferior alveolar, buccal

20
Q

What is the entry/exit & function for cranial nerve Vii (maxillary)?

A

Sensory
Enter: Foramen rotundum
Function: sensory from dura, nasal, lower eyelid, upper cheek, lip, teeth

21
Q

What is the entry/exit & function for cranial nerve Viii (mandibular)?

A

Sensory & motor
Enter: foramen ovale
Function: motor to muscles of mastication. Sensory from lower face, cheek, lip, teeth, ear

22
Q

What is the entry/exit & function for cranial nerve VI?

A

Motor
Exit: superior orbital fissure
Innervates lateral rectus muscle

23
Q

What is the entry/exit & function for cranial nerve VII?

A

Motor - muscles of facial expression
Exits: internal acoustic meatus & stylomastoid foramen
Function: muscles of facial expression. Special efferent - taste, anterior 2/3 of tongue. Visceral efferent - submandibular/sublingual glands

24
Q

What are the divisions of the facial nerve?

A 
Temporal
Zygomatic
Buccal
Mandibular
Cerbical
Nerve to posterior belly of digastric & stylomyoid
Chorda tympani
25
Q

What is the entry/exit & function for cranial nerve VIII?

A

Sensory
Enter: internet acoustic meatus
Function: special afferent. Vestibular - balance, cochlear - hearing

26
Q

What is the entry/exit & function for cranial nerve IX?

A

Sensory & motor
Exit: jugular foramen

Function: Special afferent - taste
Sensory afferent - posterior 1/3 tongue, upper pharynx, palatine tonsil
Visceral efferent - parotid gland
Somatic efferent - motor, stylopharyngeus

27
Q

What is the entry/exit & function for cranial nerve X?

A

Sensory & motor
Exit: jugular foramen

Function:
Sensory afferent - external acoustic meatus
Visceral afferent - aortic receptors, numerous mucous membranes
Visceral efferent - smooth muscle, glands of pharynx, thorax, abdomen
Somatic efferent - muscles of soft palate, pharynx, larynx, carries CN XI fibres

28
Q

What is the entry/exit & function for cranial nerve XI?

A

Motor
Exit: foramen magnum & jugular foramen
Function: somatic efferent - motor - pharyngeal muscles

29
Q

What is the entry/exit & function for cranial nerve XII?

A

Motor
Exit: hypoglossal canal
Function: somatic efferent - innervates extrinsic & intrinsic tongue muscles

30
Q

What passes through the cribriform plate?

A

Cranial nerve I (olfactory)

31
Q

What passes through the optic canal

A

Cranial nerve II (optic)

32
Q

What passes through the superior orbital fissure?

A

Cranial nerve III (oculomotor)
Cranial nerve IV (trochlear)
Cranial nerve Vi (ophthalmic)
Cranial nerve VI (abducens)

33
Q

What passes through the foramen rotundum?

A

Cranial nerve Vii (maxillary)

34
Q

What passes through the foramen ovale?

A

Cranial nerve Viii (mandibular)

35
Q

What passes through the foramen spinosum?

A

Middle meningeal artery

36
Q

What passes through the foramen lacerum?

A

Internal carotid artery

37
Q

What passes through the Internal acoustic meatus?

A

Cranial nerve VII (facial)

Cranial nerve VIII (vestibulocochlear)

38
Q

What passes through the jugular foramen?

A

Cranial nerve IX (glossopharyngeal)
Cranial nerve X (vagus)
Cranial nerve XI (accessory)
Internal jugular vein

39
Q

What passes through the hypoglossal canal?

A

Cranial nerve XII (hypoglossal)

40
Q

What passes through the carotid canal?

A

Internal carotid artery

41
Q

What passes through the stylomastoid foramen

A

Cranial nerve VII

42
Q

What passes through the foramen magnum?

A

Medulla
Spinal cord
Cranial nerve XI (accessory)
Vertebral arteries

43
Q

What are the skull sutures?

A 
Coronal
Bregma
Sagittal
Lambdoid
Lamda
44
Q

What are the developmental skull sutures?

A

Anterior
Posterior
Mastoid
Sphenoid (anterior lateral)

Module 202 Neuroscience & behaviour (39 decks)

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