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Cranial Nerves Flashcards

1
Q

Name CN I

A

Olfactory

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2
Q

Name CN II

A

Optic

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3
Q

Name CN III

A

Occulomotor

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4
Q

Name CN IV

A

Trochlear

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5
Q

Name CN V

A

Trigeminal

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6
Q

Name CN VI

A

Abducens

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7
Q

Name CN VII

A

Facial

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8
Q

Name CN VIII

A

Vestibulocochlear

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9
Q

Name CN IX

A

Glossopharyngeal

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10
Q

Name CN X

A

Vagus

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11
Q

Name CN XI

A

Accesesory

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12
Q

Name CN XII

A

Hypoglossal

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13
Q

What is the function of CNI ?

A

Smell

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14
Q

What is the function of CNII ?

A

Vision

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15
Q

What is the function of CNIII?

A

Eye movement via innervation of extraoccular muscles (SR,MR,IR,IO) and eyelid (LPS), constriction of pupils and ciliary muscles

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16
Q

What is the function of CNIV?

A

Eye movement

17
Q

What is the function of CNV?

A

Sensation from face, mouth, muscles of mastication

18
Q

What does CNV1 innervate?

A

Cornea, scalp, eyelids and nasal mucosa

19
Q

What does CNV2 innervate?

A

Face, maxilla, TMJ, Maxillary Sinus

20
Q

What does CNV3 innervate?

A

Muscles of mastication, Digastric Muscles, Palatine and Tensor Tympani

21
Q

What is the function of CNVI?

A

Eye movement (LR)

22
Q

What is the visceral motor function of CNVII?

A

Parasympathetic innervation of submandibular and sublingual salivary glands, lacrimal glands and glands of nose and palate

23
Q

What is the somatic motor function of the CNVII?

A

Innervation to the muscles of facial expression, scalp, stapes of middle ear, part of the digastric muscle

24
Q

What is the special sensory function of the CNVII?

A

Taste from anterior 2/3 of tongue and soft palate

25
Q

What is the function of the CNVIII?

A

Hearing and vestibular sensation from semicircular ducts, utricle and saccule - gives sense of position and movement

26
Q

What is the sensory function of CNIX?

A

Taste of posterior 1/3 of tongue, cutaneous sensation from middle ear and post. oral cavity

27
Q

What is the motor functions of CNIX?

A

Parasympathetic innervation of parotid gland and swallowing via the stylopharyngeus

28
Q

What are the sensory functions of CNX?

A

Taste (epiglottis and soft palate), sensation from auricle and External Acoustic Meatus, innervation to the pharynx, larynx, trachea, bronchi, oesophagus, stomach, heart and intestine

29
Q

What are the motor functions of the CNX?

A

Parasympathetic innervation of muscles in bronchi, gut and heart. Innervation of pharynx, larynx, palate and oesophagus

30
Q

What are the functions of CNXI?

A

Innervation of the striated muscles of soft palate, pharynx, larynx, SCM and trapezius

31
Q

What are the functions of CNXII?

A

Innervate the muscles of the tongue

Neuro (16 decks)

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