Spinal Cord

Question 1

Answer 1

Dorsal column medial lemniscus
Vibration, conscious proprioception, fine touch

Question 2

Answer 2

Spinocerebellar
Position of body

Question 3

Answer 3

Spinocerebellar
Position of parts of the body

Question 4

Answer 4

Corticospinal Tract/ lateral / anterior horns

Question 5

Answer 5

Posterior or dorsal horn

Question 6

Answer 6

Ventral/ anterior horns
Motor fibres

Question 7

Answer 7

Question 8

Transection c1 -c3

Answer 8

Need vent to respire

Question 9

Transection t1-9

Answer 9

Low limb paralysis

Question 10

Hemisection or Brown sequard sun. Sx ?

Answer 10

• dorsal = ips loss of fine touch/ vibration/proprioception
• Anterior horn = IPs LMS ( hypo reflex, flaccid paralysis)
• Lat Corticospinal = Cont. UMS below lesion
• spinalthalamic = contralat. Loss of 1-2 levels below loss crude touch and pressure & @ level loss of P&T

Question 11

Answer 11

Anterior spinal art

Question 12

Causes of occlusion of Anterior Spinal Artery

Answer 12

Aortic dissection, trauma, thrombosis, vasculitis htn

Question 13

Sx

Answer 13

Question 14

Answer 14

Question 15

Symptoms of syringomyelia

Answer 15

Question 16

Sx of Tabes Dorsalis (tertiary syphillis and location?

Answer 16

Dorsal column

Question 17

Sx and tracts affected in subacute Combined degeneration ?

Answer 17

SCD= Spinocerebellar, Corticospinal Dorsal columns

Question 18

Tracts and sx ass w/ ALS

Answer 18

Question 19

+ ve Babinski

Answer 19

Flaring and up point toes
LMS

Question 20

Anterior Corticospinal tract controls ?

Answer 20

Question 21

Lat Corticospinal tracts control?

Answer 21

Question 22

Pic and fx of lat & ant spinothalamic tract

Answer 22

Question 23

Anterior horn defect : spinal muscular atrophy inheritance patterns, gene, sx

Answer 23

AR, smn1, chrom 5
Floppy baby, tongue fasciculations

Question 24

Any horn, poliomyelitis sx

Answer 24

**A symmetrical paralysis
LMN signs
May evolve the brain stem
May occur years later
Ix stool

Question 25

Ant horn: West Nile virus symptoms

Answer 25

Fever rash myalgia meningitis acute asymmetrical flaccid paralysis

Question 26

Main cause of syringomyelia

Answer 26

Chiari malformation = herniating cerebella tonsils = hydrocephalus
HA + ataxia

Question 27

Sx of syringomyelia

Answer 27

B/l loss (cape like loss) P&T pressure and crude touch of upper extremities

Can lead to damage to motor damage

Question 28

Sx neuro syphilis

Answer 28

Dorsal column signs
Slurred speech, change in behaviour, memory loss
Argyll Roberson pupil ( lost light refelex

Question 29

Rx neurosuphallis

Answer 29

Penicillin

Question 30

Dorsal Column syndromes

Answer 30

SCD
Neurosphysis

Question 31

Folate vs b12 deficiency

Answer 31

Both cause pancytopenia
Methylmalonic acid is raised in b12 def

Question 32

What builds up in friedrech ataxia ?

Answer 32

Fe
= neuronal death effect Spinocerebellar tract = ataxia

Question 33

Sx of Friedreich ataxia

Answer 33

Question 34

Non neuro or cutaneous sx of friedreich ataxia

Answer 34