Neuro Lesion - Lesion 2

Question 1

Only one of the two athletes felt very good, victorious and healthy

Answer 1

Olfactory
Optic
Occulomotor
Trochlear
Trigemnial
Abducent
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal

Question 2

Some say marry money but my brother says big brains matter more

Answer 2

Sensory, motor or both

Question 3

Menace response

Answer 3

Not reflex
Learn by 12 weeks usually
Afferent pathway is the same for vision
Efferent (motor) pathway begins at motor cortex, travels down pons, synapse with pontine nucleus. Travels to cerebellum to facial nucleus, facial nerve VII = eye blink

Question 4

Pupillary light reflex

Answer 4

Pretectal nucleus
Parasympathetic nucleus of CN III

Question 5

Pre chiasm lesion

Answer 5

Both pupils constrict when light shined in one eye
Both pupils dilate when light is shone in opposite eye

Question 6

Horner syndrome

Answer 6

Miosis
Pros is
Enophthalmos - protrusion of 3rd eyelid

Question 7

Anisocoria

Answer 7

Difference in size of pupils
Can check by changing lights in room
Usually the more constricted pupil is the effected eye

Question 8

Dazzle reflex

Answer 8

Shine light in eye - involuntary aversion response
Not assessing vision

Question 9

Fundic exam

Answer 9

Performed during neuro exam
Visualize optic nerve, extension of brain (not a real nerve)