Removal of the Brain Flashcards

1
Q

What are the 2 anatomical divisions of the brain?

A

CNS & PNS

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2
Q

What are the 2 functional divisions of the brain?

A

Somatic & Autonomic

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3
Q

What is the CNS made up of?

A

Brain & Spinal cord

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4
Q

What is the PNS made up of?

A

12 pairs of Cranial Nerves, 31 pairs of spinal nerves & 2 Sympathetic trunks

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5
Q

What is the role of the Somatic Nervous System?

A

Control voluntary activities

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6
Q

What is the role of the autonomic nervous system?

A

Control involuntary activities

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7
Q

Name the 12 cranial nerves in order

A
Olfactory nerve
Optic nerve
Oculomotor nerve
Trochlear nerve
Trigeminal nerve
Abducens nerve
Facial nerve
Vestibulocochlear nerve
Glossopharyngeal nerve
Vagus nerve
Accessory nerve
Hypoglossal nerve
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8
Q

What is the brain stem made up of?

A

Mid-Brain, Pons & Medulla Oblongata

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9
Q

Why is the accessory nerve different to every other cranial nerve?

A

Accessory nerve has 2 parts, every other cranial nerve has 1 part. Accessory has cranial part which arises from brain stem and spinal part arising from spinal cord. It enters the foramen magnum.

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10
Q

Where does the oculomotor nerve emerge (attach) from?

A

Anterior surface of midbrain (in the interpeduncular fossa).

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11
Q

Where does the trochlear nerve leave (attach) from?

A

Only nerve that leave the posterior surface of brainstem then passes forward and emerges from midbrain

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12
Q

Where does the trigeminal nerve leave (attach) from?

A

Leaves anterior aspect of lateral side of pons as a small motor root and a large sensory root

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13
Q

Where do the Abducent, facial and vestibulocochlear nerves emerge (attach) from?

A

In the groove between the lower border of pons and the medulla oblongata

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14
Q

Where do the Glossopharyngeal, vagus and cranial part of accessory nerves leave (attach) from?

A

Anterolateral surface of medulla in a groove between the olive and the inferior cerebellar peduncle

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15
Q

Where does the spinal part of the accessory nerve emerge (attach) from?

A

The spinal cord and enter the skull through the foramen magnum

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16
Q

Where do the hypoglossal nerve fibres emerge (attach) from?

A

Anterior surface of medulla oblongata between pyramid and olive

17
Q

Where is the attachment of the 5th Cranial nerve?

A

Lateral side of Pons

18
Q

Name the foramen the olfactory nerve passes through

A

Cribriform Plate of Ethmoid

19
Q

Name the foramen the optic nerve passes through

A

Optic Canal

20
Q

Name the foramen the oculomotor nerve passes through

A

Superior Orbital Fissure

21
Q

Name the foramen the trochlear nerve passes through

A

Superior Orbital Fissure

22
Q

Name the foramen the trigeminal ophthalmic nerve passes through

A

Superior Orbital Fissure

23
Q

Name the foramen the trigeminal maxillary nerve passes through

24
Q

Name the foramen the trigeminal mandibular nerve passes through

25
Name the foramen the abducent nerve passes through
Superior Orbital Fissure
26
Name the foramen the facial nerve passes through
Internal Acoustic Meatus (ear)
27
Name the foramen the vestibulocochlear nerve passes through
Internal Auditory Meatus (ear)
28
Name the foramen the glossopharyngeal nerve passes through
Jugular foramen
29
Name the foramen the vagus nerve passes through
Jugular Foramen
30
Name the foramen the accesory nerve passes through
Jugular Foramen
31
Name the foramen the hypoglossal nerve passes through
Hypoglossal Canal
32
Which nerves supply the eye?
3,4 & 6
33
What is lateral to the orbit?
Optic Canal
34
What is the spinal cord protected by?
Vertebral column