CN lesions Flashcards
1
Q
CN II lesion
A
if one sided - often will lose half of visual field
2
Q
CN III **
A
most important because it goes to most of the eye muscles and elevates the eye lid.
Presents with droopy eye lid
resting position if eye outward
pupil tends to be fixed dilated
3
Q
CN IV
A
brings eye down and out. If lesion eye can still complete this motion with CN III and CN VI
4
Q
CN VI lesion
A
eye medially deviated
5
Q
CN VIII lesion
A
trouble with sitting up right because fxn: head position
6
Q
CN X lesion
A
minimal overall effects
7
Q
CN XI
A
easy to test bc innervates trapezius and SCM.
8
Q
CN IX
A
pharynx - swallowing - look at the uvula. if a lesion is present it will deviate to the strong side
9
Q
CN XII
A
when protruding tongue - deviate to the weak side (lesion side)
10
Q
CN I lesion
A
loss of smell
