B3.1.5 Nervous System Damage Flashcards
1
Q
PNS
A
Peripheral Nervous System
All neurones which connect CNS to rest of body
(sensory neurones & motor neurones)
2
Q
What does damage to nervous system do?
A
Prevent impulses from being passed effectively through nervous system
3
Q
Effects of damage to PNS
A
- inability to detect pain
- numbness
- loss of coordination
4
Q
PNS healing..?
A
Limited ability to regenerate
- minor nerve damage self-heals and symptoms gradually decrease
- severe nerve damage can be treated through surgery, eg. sections of nervous tissue can be grafted over damaged tissue
5
Q
Effects of damage to CNS
A
- loss of control of body systems
- partial or complete paralysis
- memory loss or processing difficulties
6
Q
CNS healing..?
A
CNS cannot regenerate damage is permanent
unless possible to correct by surgery
7
Q
Why is it so difficult to repair CNS (spinal cord)?
A
Identifying and repairing one individual nerve fibre without damaging others is extremely difficult
8
Q
Treatment for brain tumour
A
Radiotherapy, chemotherapy
9
Q
Treatment to remove damaged brain tissue
A
Surgery
10
Q
Treatment to stimulate brain function
A
Deep brain stimulation by inserting electrode
