Spinal Anatomy Flashcards
1
Q
What is the difference between Afferent fibres and Efferent fibres in PNS?
A
Afferent Fibres- Sensory information from PNS to the CNS.
Efferent Fibres- Motor information from CNS to the PNS to get the body to move.
2
Q
What cranial nerves have only Afferent fibres (sensory)?
A
Olfactory - smell
3
Q
What cranial nerves have only Efferent fibres (motor)?
A
Oculomotor- eye movement and pupil reflex
4
Q
Key differences between Upper and Lower Motor Abnormalities?
A
Both have weakness
LMN has atrophy
LMN has fasciculations
UMN has more relflexes, LMN has less
UMN has more tone, LMN has less
5
Q
A
