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Anatomy everything > Principles - Anatomy of Nervous System 1 - Week 7 > Flashcards

Principles - Anatomy of Nervous System 1 - Week 7 Flashcards

(60 cards)

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1
Q

What structures are involved in the CNS?

A

Brain & spinal cord

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2
Q

Which structures are involved in the PNS?

A

spinal nerves, cranial nerves, autonomic nerves

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3
Q

What is meant by a ganglion?

A

Bundle of nerves

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4
Q

Bundles of axons in the same nerve tend to…

A

Be travelling to the same place

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5
Q

Nerves which are named tend to…

A

supply the body wall, body cavities and organs

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6
Q

Name the 4 lobes of the brain.

A

Frontal, parietal, occipital, temporal

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7
Q

Which two structures give the folded appearance of the cerebral cortex?

A

Gyrus and sulcus

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8
Q

CN I is called the…

A

Olfactory nerve

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9
Q

CN I stems from which area?

A

Forebrain

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10
Q

CN II is called the…

A

Optic Nerve

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11
Q

CN II stems from which area?

A

Forebrain

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12
Q

CN III is called the…

A

Oculomotor nerve

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13
Q

CN III stems from which area?

A

Midbrain

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14
Q

CN IV is called the…

A

trochlear nerce

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15
Q

CN IV stems from which area?

A

Midbrain

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16
Q

CN V is called the…

A

Trigeminal nerve

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17
Q

CN V stems from the…

A

pons

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18
Q

CN VI is called the…

A

Abducent nerve

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19
Q

CN VI stems from which area?

A

Junction (between pons and medulla)

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20
Q

CN VII is called the…

A

Facial nerve

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21
Q

CN VII stems from which area?

A

Junction (Between pons & medulla)

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22
Q

CN VIII is called the…

A

Vestibulocochlear nerve

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23
Q

CN VIII stems from which area?

A

Junction (between pons & medulla)

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24
Q

CN IX is called the…

A

Glossopharyngeal nerve

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25
CN IX stems from which area?
Medulla
26
CN X is called the...
Vagus
27
CN X stems from which area?
Medulla
28
CN XI is called the...
Spinal accessory nerve
29
CN XI stems from which area?
Spinal cord
30
CN XII is called the...
hypoglossal nerve
31
CN XII stems from which area?
Medulla
32
The anterior cranial fossa has the entry/exit points for which cranial nerve(s)?
CN I
33
The middle cranial fossa has the entry/exit points for which cranial nerve(s)?
CN II-VI
34
The posterior cranial fossa has the entry/exit points for which cranial nerve(s)?
CN VII-XII
35
The foramen in which the spinal cord sits is called the...
Foramen magnum
36
CN I enters/exits the skull through...
cribriform plate of the ethmoid bone
37
CN II enters/exits the skull through...
Optic canal
38
Which cranial nerves exit the skull through the superior orbital fissure?
CN III, IV, V1, VI
39
Where does CN V2 enter/exit the skull?
foramen rotundum
40
Where does CN V3 enter/exit the skull?
Foramen Ovale
41
Which nerves enter/exit the skull through the internal acoustic meatus?
CN VII and CN VIII
42
Which cranial nerves enter/exit through the jugular foramen?
CN IX, X and XI
43
Which cranial nerve enters/leaves from the hypoglossal canal?
CN XII
44
Pathology in the jugular foramen could injure which cranial nerves?
CN IX, X and XI
45
What are the 3 parts of the course of a cranial nerve?
CNS part, intracranial part, extracranial part
46
How many vertebrae are there in total?
33
47
Spinal nerves are named according to...
the vertebrae above it apart from in the cervical region
48
What are the two enlargements of the spinal cord called?
Cervical and Lumbosacral
49
How many pairs of spinal nerves are there?
31
50
Where does the spinal cord end?
L1/L2 level
51
The nerves of the spinal cord travel outward through...
Intervertebral foraminae
52
Spinal nerves attach to the spinal cord via...
Roots and rootlets
53
Spinal nerves attach to the soma via...
Rami
54
What are the two types of rami?
Posterior and Anterior
55
Which of the types of rami are larger?
Anterior
56
What is meant by a dermatome?
The area/strip of skin supplied by both the posterior and anterior rami of a nerve
57
What is a plexus?
A network of intertwined anterior rami
58
Name the 4 plexuses.
Cervical, brachial, lumbar, sacral
59
Sympathetic nerves exit the spinal cord with which spinal nerves?
T1-L2
60
All parasympathetic axons leave the spinal cord via which cranial nerves?
III, VII, IX, X and sacral spinal nerves

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