Lecture 30: Anatomical Case Studies of Head and Neck

Question 1

Dysomia is associated w/ CN ____?____

Answer 1

I

Question 2

Anisocoria, miosis, mydriasis are associated w/ CN ?

Answer 2

III and the sympathetic NS

Question 3

Strabismus is associated w/ what CNs

Answer 3

III, VI, IV

Question 4

Dysphagia is associated w/ what CNs

Answer 4

IX or X

Question 5

what CNs are associated w/ the corenal blink reflex?

Answer 5

V1 and VII

Question 6

what is Aniscoria

Answer 6

unequal pupil sizes

Question 7

what is miosis

Answer 7

pathological constriction of pupil
indicates possible distruption of sympathetics to the eye

Question 8

what is mydriasis

Answer 8

pathologically dilated pupils
indicates possible distruption of parasympathetics to the eye

Question 9

menace test

Answer 9

examines if the visual pathway to cortex is intact
Afferent : CN II
Efferent: CN VII

Question 10

what is strabismus

Answer 10

disorder in which the 2 eyes don’t line up in the same direction (Crossed eyes) and do not look at the same object at the same time

Question 11

lesion to CN _____ would cause the levator pallpebrae to not contract

Answer 11

CN III

Question 12

the corneal blink reflex tests the sensory component of _____ and the motor component from ______ (to the orbicularis oculi)

Answer 12

V1, VII