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

Principles - Anatomy of Nervous System 1 - Week 7 Flashcards

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
Q

CN IX stems from which area?

A

Medulla

26
Q

CN X is called the…

A

Vagus

27
Q

CN X stems from which area?

A

Medulla

28
Q

CN XI is called the…

A

Spinal accessory nerve

29
Q

CN XI stems from which area?

A

Spinal cord

30
Q

CN XII is called the…

A

hypoglossal nerve

31
Q

CN XII stems from which area?

A

Medulla

32
Q

The anterior cranial fossa has the entry/exit points for which cranial nerve(s)?

A

CN I

33
Q

The middle cranial fossa has the entry/exit points for which cranial nerve(s)?

A

CN II-VI

34
Q

The posterior cranial fossa has the entry/exit points for which cranial nerve(s)?

A

CN VII-XII

35
Q

The foramen in which the spinal cord sits is called the…

A

Foramen magnum

36
Q

CN I enters/exits the skull through…

A

cribriform plate of the ethmoid bone

37
Q

CN II enters/exits the skull through…

A

Optic canal

38
Q

Which cranial nerves exit the skull through the superior orbital fissure?

A

CN III, IV, V1, VI

39
Q

Where does CN V2 enter/exit the skull?

A

foramen rotundum

40
Q

Where does CN V3 enter/exit the skull?

A

Foramen Ovale

41
Q

Which nerves enter/exit the skull through the internal acoustic meatus?

A

CN VII and CN VIII

42
Q

Which cranial nerves enter/exit through the jugular foramen?

A

CN IX, X and XI

43
Q

Which cranial nerve enters/leaves from the hypoglossal canal?

A

CN XII

44
Q

Pathology in the jugular foramen could injure which cranial nerves?

A

CN IX, X and XI

45
Q

What are the 3 parts of the course of a cranial nerve?

A

CNS part, intracranial part, extracranial part

46
Q

How many vertebrae are there in total?

A

33

47
Q

Spinal nerves are named according to…

A

the vertebrae above it apart from in the cervical region

48
Q

What are the two enlargements of the spinal cord called?

A

Cervical and Lumbosacral

49
Q

How many pairs of spinal nerves are there?

A

31

50
Q

Where does the spinal cord end?

A

L1/L2 level

51
Q

The nerves of the spinal cord travel outward through…

A

Intervertebral foraminae

52
Q

Spinal nerves attach to the spinal cord via…

A

Roots and rootlets

53
Q

Spinal nerves attach to the soma via…

A

Rami

54
Q

What are the two types of rami?

A

Posterior and Anterior

55
Q

Which of the types of rami are larger?

A

Anterior

56
Q

What is meant by a dermatome?

A

The area/strip of skin supplied by both the posterior and anterior rami of a nerve

57
Q

What is a plexus?

A

A network of intertwined anterior rami

58
Q

Name the 4 plexuses.

A

Cervical, brachial, lumbar, sacral

59
Q

Sympathetic nerves exit the spinal cord with which spinal nerves?

A

T1-L2

60
Q

All parasympathetic axons leave the spinal cord via which cranial nerves?

A

III, VII, IX, X and sacral spinal nerves

Anatomy everything (24 decks)

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