Neurology

Question 1

Which cranial nerve is responsible for innervation of the lateral rectus muscle which abducts the eye?

Answer 1

CN VI (abducens nerve)

Question 2

Which cranial nerve is responsible for sight?

Answer 2

CN II (optic nerve)

Question 3

What is fascioscapulohumeral muscular dystrophy?

Answer 3

Progressive difficulty whistling or sucking through a straw.
Dominantly inherited
Winging of the scapula is the most characteristic sign.

Question 4

What drug induces Parkinsonism?

Answer 4

Antipsychotics (Parkinsonism usually appears within 10 weeks of starting the drug).
1st Generation antipsychotics - haloperidol, chlorpromazine, flupentixol and fluphenazine.

Anti-emetics: Prochloperazine & Metoclopramide.

Question 5

What is Creutzfeldt-Jacob disease?

Answer 5

Prion disease - with hypersomnia, insomnia, parasomnia, restless legs and periodic limb movements of sleep all being reported.

Question 6

What is the pathophysiology of Parkinson’s disease?

Answer 6

Dopamine depletion within the brain, hence why majority of treatment is related to increasing dopamine store and action.

Question 7

Features of Duchenne muscular dystrophy?

Answer 7

waddling gait
Climbing up legs using the hands when rising from the floor

Question 8

What is myotonic dystrophy?

Answer 8

Autosomal dominant
Features: facial weakness, ptosis, early frontal balding, atrophy of jaw muscles, cataracts

Question 9

What is the term used to describe worsening of neurologic symptom when the body is overheated?

Answer 9

Uhthoff’s phenomenon