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Yr 2 Nervous System - Anatomy > Week 2 - Dry Room > Flashcards

Week 2 - Dry Room Flashcards

1
Q

What openings do each of the cranial nerves pass through?

A 
I - Cribriform plate
II - Optic Canal
III - Sup Orbital Fissure
IV - ''
V1 - ''
V2 - Foramen Rotundum
V3 - Forament Ovale
VI - Sup Orbital Fissure
VII - Internal Auditory Meatus (and stylomastoid foramen)
VIII - IAM
IX - Jugular Foramen
X - ''
XI - ''
XII - Hypoglossal Canal
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2
Q

From where does each cranial nerve arise?

A 
I - Olfactory Bulb
II - Optic Chiasm
III - Midbrain
IV - Posterior Midbrain
V - Pons
VI - Pontomedullary Junction
VII - ''
VIII - ''
IX - Medulla
X - ''
XI - ''
XII - ''
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3
Q

What type of fibres are found in the 1st cranial nerve?

A

Special Sensory (Olfaction)

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4
Q

What type of fibres are found in the 2nd cranial nerve?

A

Special Sensory (Vision)

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5
Q

What type of fibres are found in Cr N III?

A

Somatic Motor - Extrinsic ocular muscles

Parasympathetic - Ciliaris & Constrictor Pupillae

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6
Q

What type of fibres are found in Cr N IV?

A

Somatic Motor to Sup Oblique

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7
Q

What type of fibres are found in Cr N V?

A

General Sensory

Also Motor in V3 to muscles of mastication

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8
Q

What type of fibres are found in Cr N VI?

A

Somatic Motor to Lateral Rectus

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9
Q

What type of fibres are found in Cr N VII?

A

General Sensory (middle/outer ear)
Special Sensory (Taste) - Chorda Tympani
Motor (Muscles of facial Expression)
Parasympathetic (Sublingual/Submandibular glands) - Chorda Tympani

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10
Q

What type of fibres are found in Cr N VIII?

A

Special Sensory (Vestibular & Hearing)

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11
Q

What type of fibres are found in Cr N IX?

A 
Special Sensory (Taste)
General Sensory
Motor (Stylopharyngeus)
Visceral Sensory (Carotid sinus & body)
Parasympathetic (Parotid gland)
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12
Q

What type of fibres are found in Cr N X?

A

General Sensory (oro/laryngopharynx)
Motor (Most palatine and pharyngeal muscles)
Parasympathetic

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13
Q

What type of fibres are found in Cr N XI?

A

Motor to SCM and Trapezius

Also joins in Pharyngeal plexus

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14
Q

What type of fibres are found in Cr N XII?

A

Motor (tongue muscles)

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15
Q

Which cranial nerves have parasympathetic fibres?

A

III
VII
IX
X

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16
Q

Whichc cranial nerves is tested by pupillary light reflex?

A

II (afferent)

III (Efferent)

Yr 2 Nervous System - Anatomy (4 decks)

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