Nervous system Flashcards
1
Q
Afferent neurons are..
A
sensory
2
Q
Efferent neurons are…
A
motor
3
Q
Cerebral grey matter contains…
A
cell bodies. It composes the cerebral cortex.
4
Q
Cerebral white matter contains…
A
neuronal axons. It composes the inner area of the cerebrum.
5
Q
Spinal cord contains…
A
- inner Grey matter (cell bodies)
- outer white matter (myelinated axons)
6
Q
What are the components of the pripheral nervous system?
A
- cranial nerves
- spinal nerves
- autonomic nerves
7
Q
How many spinal nerves are there?
A
31:
- 8 cervical
- 12 Thoracic
- 5 Lumbar
- 5 Sacral
- 1 Coccygeal
8
Q
What do spinal nerves supply (anterior and posterior rami)?
A
Dermatomes (strips of body wall)
9
Q
At what levels do sympathetic nerves exit the spinal cord?
A
With spinal nerves T1 to L2
