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Neuroanatomy > Pathway Reviews > Flashcards

Flashcards in Pathway Reviews Deck (9)
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1
Q

Anterior White Commisure

A

Central cord where 2nd order pain/temp neurons cross over at level of entry in SC. so if you lesion, get bilateral loss only at that level

2
Q

Important Point About Anterior Corticospinal Tract

A

Doesn’t decussate in pyramid, instead control musculature where coordination b/w muscles on both sides of body important like trunk musculature

3
Q

Babinski Test

A

Tests corticospinal tract/UMNs. Drag point across sole and should flex toes down. If UMNs not working get Babinksi sign, fanning of toes

4
Q

5 Characteristics of UMN Lesions

A

Muscle weakness
Hypertonia and increased deep tendon reflexes
No atrophy or fasciculations

5
Q

5 Characteristics of LMN Lesions

A

Muscle weakness/wasting
Hypotonia and decreased tendon reflexes
Fibrillations and fasciculations

6
Q

VII UMN Lesion

A

Contralateral paralysis below eye. Ask to raise eyebrowns

7
Q

VII LMN Lesion

A

Ipsilateral loss of whole face

8
Q

XII UMN vs. LMN Lesion

A

UMN will go contro, LMN ipsi

9
Q

How to test Dorsal Column Lesion (like from syphilis)

A

Romberg’s test, won’t be able to stand straight w/ eyes close bc lost some proprio