Spinal Nerves Flashcards Preview

TAS Neurology > Spinal Nerves > Flashcards

Flashcards in Spinal Nerves Deck (20)
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1
Q

What does knowledge of the structure and physiology of the nervous system allow?

A

Understanding of how damage to different areas may present

2
Q

What emerges at the spinal level?

A

31 pairs of mixed motor and sensory bundles emerge

3
Q

What are the regions of the spine?

A
  • Cervical
  • Thoracic
  • Lumbar
  • Sacral
  • Coccygeal
4
Q

How many pairs of nerves arise from the cervical region of the spine?

A

8

5
Q

How many pairs of nerves arise from the thoracic region of the spine?

A

12

6
Q

How many pairs of nerves arise from the lumbar region of the spine?

A

5

7
Q

How many pairs of nerves arise from the sacral region of the spine?

A

5

8
Q

How many pairs of nerves arise from the coccygeal region of the spine?

A

1

9
Q

What do the nerves arising from the spine produce?

A

They further combine to produce nervous plexi

10
Q

What plexi are formed from nerves arising from the spine?

A
  • Cervical plexus
  • Brachial plexus
  • Lumbar plexus
  • Sacral plexus
  • Coccygeal plexus
11
Q

What nerves form the cervical plexus?

A

C1-4

12
Q

What does the cervical plexus innervate?

A
  • Muscles and skin of shoulder and neck

- Diaphragm

13
Q

What nerve innervates the diaphragm?

A

Phrenic nerve

14
Q

What nerves form the brachial plexus?

A

C5-8, T1

15
Q

What does the brachial plexus innervate?

A

Muscles and skin from the base of the neck to the fingertips

16
Q

What nerves form the lumbar plexus?

A

L1-3 + part of L4

17
Q

What does the lumbar plexus innervate?

A

Skin and muscles of lower abdomen, thighs, and groin

18
Q

What nerves form the sacral plexus?

A

L4-5, S1-4

19
Q

What does the sacral plexus innervate?

A

Muscles and skin of the pelvic area and legs

20
Q

What does the coccygeal plexus innervate?

A

Muscles and skin of pelvic area and sphincters