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Neuroscience > L7 & 8 Cranial Nerves > Flashcards

L7 & 8 Cranial Nerves Flashcards

1
Q

Exit from skull

A

d

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2
Q

CN I

A

Olfactory Sensory Smell

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2
Q

What are the 5 pure motor cranial nerves?

A

Occulomotor, trochlear, abducens, accessory spinal, hypoglossal

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3
Q

CN VII

A

Facial Nerve

Sensory & Motor

Motor (Proper - Branchial Motor) - muscles of facial expression + 3 others Motor (Intermediate) - parasympathetic = lacrimal, sublingual & submandiblar salivary glands

Sensory (intermediate) - taste (anterior 2/3s tongue) and soft palate

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3
Q

Glossopharyngeal Nerve

A

CN IX Sensory & Motor Motor - stylopharyngeus & parotid gland (parasympathetic) Sensory - Taste (Posterior 1/3 tongue), general sensation of pharynx, middle ear & carotid body

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3
Q

Vagus Nerve

A

CN X Sensory & Motor Mostly autonomic - organs from pharynx to abdomen Motor - many striated muscles - soft palate, pharynx, larynx, upper oesophagus, 1 tongue muscle Sensory - pharynx, larynx & oesophagus Visceral - input from baro- and chemoreceptors of aortic arch Important in Gag reflex

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3
Q

Accessory Spinal Nerve

A

CN XI Motor Sternomastoid & upper part of trapezius

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4
Q

Nuclei location

A

d

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5
Q

Trochlear Nerve

A

CN IV Motor Superior oblique muscle of eye

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6
Q

Vestibulocochlear nerve

A

CN VIII Sensory Orientation & motion, hearing

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7
Q

CN VIII

A

Vestibulocochlear Nerve Sensory Orientation & motion, hearing

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7
Q

CN X

A

Vagus Nerve Sensory & Motor Mostly autonomic - organs from pharynx to abdomen Motor - many striated muscles - soft palate, pharynx, larynx, upper oesophagus, 1 tongue muscle Sensory - pharynx, larynx & oesophagus Visceral - input from baro- and chemoreceptors of aortic arch Important in Gag reflex

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8
Q

Gag Reflex

A

d

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9
Q

Hypoglossal

A

CN XII Motor Intrinsic & extrinsic muscles of tongue (except palatglossus)

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11
Q

Occulomotor

A

CN III Motor Movement of the eye - colliery muscles, sphincter of pupil & all extrinsic eye muscles (except superior oblique & lateral rectus)

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13
Q

CN III

A

Occulomotor Motor Movement of the eye - colliery muscles, sphincter of pupil & all extrinsic eye muscles (except superior oblique & lateral rectus)

13
Q

Abducent Nerve

A

CN VI Motor Lateral rectus muscle of eye

14
Q

CN XII

A

Hypoglossal Motor Intrinsic & extrinsic muscles of tongue (except palatglossus)

16
Q

Optic Nerve

A

CN II Sensory Vision

17
Q

Olfactory Nerve

A

CN I Sensory Smell

19
Q

Facial Nerve

A

CN VII Sensory & Motor Motor (Proper - Branchial Motor) - muscles of facial expression + 3 others Motor (Intermediate) - parasympathetic = lacrimal, sublingual & submandiblar salivary glands Sensory (intermediate) - taste (anterior 2/3s tongue) and soft palate

20
Q

CN XI

A

Accessory Spinal Nerve Motor Sternomastoid & upper part of trapezius

22
Q

CN IV

A

Trochlear Motor Superior oblique muscle of eye

23
Q

CN V

A

Trigeminal Sensory + Motor Sensory - Skin of face, oral/nasal/sinus mucosal cavities and teeth Motor - muscles of mastication + 4

25
Q

CN II

A

Optic Sensory Vision

26
Q

CN VI

A

Abducent Nerve Motor Lateral rectus muscle of eye

27
Q

Corneal Reflex

A

d

28
Q

Papillary Reflex

A

d

29
Q

What are the 4 mixed cranial nerves?

A

Trigeminal, Facial, Glossopharyngeal and Vagus

30
Q

CN IX

A

Glossopharyngeal Nerve Sensory & Motor Motor - stylopharyngeus & parotid gland (parasympathetic) Sensory - Taste (Posterior 1/3 tongue), general sensation of pharynx, middle ear & carotid body

31
Q

Trigeminal Nerve

A

CN V Sensory + Motor Sensory - Skin of face, oral/nasal/sinus mucosal cavities and teeth Motor - muscles of mastication + 4

32
Q

What are the 3 pure sensory cranial nerves?

A

Olfactory, optic and vestibulocochlear

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