Intro to Anatomy Flashcards
1
Q
the spinal cord has how many pairs of spinal nerves?
A
- 31
2
Q
how many cervical nerves?
A
- 8
3
Q
how many thoracic nerves?
A
- 12
4
Q
how many lumbar nerves?
A
- 5
5
Q
how many sacral nerves?
A
- 5
6
Q
how many coccygeal nerves?
A
- 1
7
Q
what are plexuses
A
- branches of nerves that come together and innervate structures in the limbs
8
Q
ventral roots contain axons of which nerves?
A
- motor nerves
9
Q
ventral roots convey impulses in what direction of the spinal cord?
A
- away from the spinal cord
10
Q
dorsal roots contain axons of which nerves?
A
- sensory nerves
11
Q
dorsal roots convey impulses in what direction of the spinal cord?
A
- toward the spinal cord
12
Q
the spinal nerve conveys which axons
A
- motor and sensory
13
Q
what are the branches of spinal nerves called?
A
- rami
14
Q
dorsal rami conveys nerves axons where?
A
- to and from muscles of the back and overlying skin of the back
15
Q
ventral rami conveys nerve axons where?
A
- to and from the body wall (torso) and/or upper and lower limbs
