Neurology

Question 1

Reflexes

Biceps
Triceps
Supinator

Answer 1

Biceps - C5/6
Triceps - C7
Supinator - C5/6

Question 2

Cerebellar lesion

DANISH

Answer 2

D
Ataxia
Nystagmus
Intention tremor
Slurred speech 
Hypnotia

Question 3

Extrapyramidal signs

-TRAP

Answer 3

Tremor
Rigidity
Ataxia
Postural instability

Question 4

Spinothalamic tracts

Medial lemniscal pathway

Answer 4

Spinothalamic tracts
-pain, temp, crude touch
(synapse in spinal cord, crosses over there)

Things affecting - Syringomyelia, anterior spinal artery occlusion

Medial lemnsical pathway
-vibration, joint point sensation, fine touch
Things affecting - syphilis

Question 5

Knee reflexes

Answer 5

Knee jerk -L3/L4

Ankle jerk - S1

Question 6

Unilateral leg weakness DDx

Answer 6

UMN
-stroke, tumor, MS
LMN
-root, nerve lesion

Question 7

Peripheral neuropathy DDx

Answer 7

Mostly sensory
! Diabetes mellitus
! Uraemia (renal failure)

Mostly motor
! Guillain–Barré
! Lead poisoning 1

Mixed
! Charcot–Marie–Tooth
! B12 / folate deficiency (also cause SCDC) ! Thiamine deficiency
! Alcohol
! Vasculitis / SLE
! Paraneoplastic
! Amyloid