Multiple Sclerosis Flashcards
1
Q
What cell types provide myelin in the CNS and PNS?
A
CNS = oligodendrocytes
PNS = Schwann cells
2
Q
What can potentially cause MS?
A
smoking, obesity
low vitamin D
genes
epstein barr virus
3
Q
Describe the finding seen in optic neuritis when a light is shone?
A
pupil in affected eye constricts more when light is shone
- relavent afferent pupillary defect
4
Q
What disorder does a lesion in the abducens nerve cause?
A
conjugate lateral gaze disorder
- both eyes look laterally to the left or right
- e.g., when looking to the left, if the left eye is affected, the right eye will adduct while the left eye will remain in the middle
