Lesions et al

Question 0

Ta ta
Ma ma
Ka ka

Answer 0

• ta ta: CN XII
• ma ma: CN V
• Ka Ka: CN IX/X

Question 1

Midline medullary lesion

Answer 1

Ipsilateral tongue deviation

Question 2

Vestibular lesions/ nystagmus

Answer 2

Deviation/ falling to the side of the lesion

Question 3

Caudate/putamen

Answer 3

BG input: glutamate (excitatory)

Question 4

Bulbospinal tracts

Answer 4

Rubospinal
Reticulospinal
Vestibulospinal

Question 5

Motor unit recruitment

Answer 5

Small (more excitable) first

S-FR-FF

Question 6

STT:

Answer 6

Spinotrigeminal tract

- pain/temp for face

Question 7

Sensory on one side face and body

Answer 7

Thalamic lesion

Question 8

Upper quadrant hemianopsia

Answer 8

Lesion in Meyers loop in lower temporal lobe

• left visual field cut: right parietal lesion (neglect)
• right visual field cut: left parietal lesion (aphasia, likely wernickies)

Question 9

Positive Rhomberg

Answer 9

• lack of proprioception

Question 10

One side face, other side body

Answer 10

Must be at or below level of pons

Question 11

Aphasia

Answer 11

A primary language disorder typically resulted from a brain lesion

Question 12

Dissociated pain: diffuse and vague

- cannot localize

Answer 12

Thalamic lesion

Question 13

Complete hemiparesis sparring upper face

- no other signs present (primary and secondary conditions)

Answer 13

Most commonly posterior internal capsule lesion

- can also be a basilar pons infarct hitting only the contralateral CSPT sparing the sensory modalities and CNs

Question 14

Blown pupil

Answer 14

Compression of CN III (loss of parasympathetics)

- often associated with uncle herniation

Question 15

One and a half syndrome

Answer 15

S

Question 16

Lower quadrant hemianopsia

Answer 16

Lesion to the superior optic radiations in the inferior parietal lobe