CNS and Neuro disorders

Question 1

3 fxn of the posterior columns

Answer 1

2 pt discrimination
vibration
jt position sense

(dz: MS, tabes dorsalis, leporsy)

Question 2

___ tract: controls voluntary motor. flexors of the hands and feet

Answer 2

corticospinal (pyramidal)

Question 3

syringomyelia effects which tract?

Answer 3

lateral spinothalamic - pain and temp

Question 4

___ tract: controls postural M’s

Answer 4

vestibulospinal tract

dz: benign positional vertigo and labyrinthitis

Question 5

___ tract: M tone and synergy to PROX flexors of the ext

Answer 5

rubrospinal

Question 6

___ tract: controls the flexors of the trunk

Answer 6

ventral corticospinal

Question 7

Charcot’s triad for MS

Answer 7

1. scanning speech
2. inention tremor
3. nystagmus

Question 8

___ dz: demyelination of the CNS effecting the motor and sensory tracts. exacerbations and remission

Answer 8

MS

Question 9

___dz: AI dz that makes AB’s against he AcH receptors. tx with cholinesterase inhibiting drugs

Answer 9

Myasthenia Gravis

Question 10

ALS effects ___tract

Answer 10

coticospinal tract and anterior horn

Question 11

___ dz: fasciculations present with spasticity and incr DTRs

• LMNL in arms
• UMNL in legs

Answer 11

ALS

Question 12

___: degeneration of the posterior columns and the corticospinal tract as a result of B12 def

Answer 12

Posterolateral sclerosis (PLS) aka combined systems dz

Question 13

__: ipsi loss of motor fxn and dorsal columns (proprioception) with contra- lateral loss of the pn and temp

Answer 13

brown sequard

Question 14

___: motor disorder of the cerebral cortex due to anoxia during birth.
PE: scissor gait, spastic paralysis, athetoid (MC) and choreiform movements (normal intellegence)

Answer 14

Cerbral palsy

Question 15

___: inflam polyneuropathy seen after a recent flu/ infection
PE: ascending paralysis & sensory sx

Answer 15

Guillain Barre sx

Question 16

___: a result from syphilis that causes slap gait

Answer 16

tabes dorsalis

• degeneration of the posterior columns

Question 17

__: x linked trait (boys 3-7)
M weakness, waddling gait, pot belly stance, growers sign

Lab: incr CPK and decr creatinine

Answer 17

muscular dystrophy (Erb Ducheene)

absence of dystrophy)

Question 18

Gait is:
___ % stance
___% swing

Answer 18

60% stance

40% swing

Question 19

Gait-
M’s of acceleration: __ & ___
M’s of deceleration: ___

Answer 19

acceleration: iliopsoas & rectus femoris
deceleration: hamstring

Question 20

Scissor walking (knee crosses the midline)

Answer 20

Cerebral palsy