Neurology 9

Question 1

The primary auditory cortex is localized to which part of the brain?

Answer 1

TEMPORAL LOBE

Question 2

What are the treatment options of post-herpetic neuralgia?

Answer 2

1. Gabapentin, pregabalin
2. Lidocaine
3. Carbamazepine, Oxcarbamazepine (not FDA approved but useful)

Question 3

What vessels are classically associated with epidural hematoma?

Subdural hematoma?

Answer 3

Epidural hematoma = Middle meningeal Artery.

Subdural hematoma = Bridging veins.

Question 4

Creutzfeldt-Jakob disease presents with what EEG pattern?

Answer 4

Classically theta and delta wave with PERIODIC BURST-SUPPRESSION PATTERN and PERIODIC PAROXYSMAL SHARP WAVE COMPLEX.

Question 5

What do Mee’s lines on fingernail suggest? (white transverse lines on fingernail bed.)

Answer 5

Arsenic poisoning (usually occurs 3-6 weeks post exposure)

Question 6

What is the mechanism of organophosphate poisoning?

Answer 6

Inhibition of Acetylcholinesterase (by phosphorylation) causing cholinergic toxicity.

Question 7

What are the symptoms of organophosphate poisoning.

Answer 7

DUMBELSS

Diarrhea
Urination
Meiosis
Bronchospasm
Emesis
Lacrimation 
Salivation 
Sweating

Question 8

How do you treat organophosphate poisoning?

Answer 8

Atropine OR Pralidoxime

Question 9

How do children and Adults differ in their presentation of LEAD poisoning?

Answer 9

Children = Acute GI illness then Acute encephalopathy, with confusion, lethargy, seizures, Intracranial HTN.

Adults = Polyneuropathy (classically motor predominant with wrist drop and foot drop)

+/- blue gingival line +/- hypochromatic microcytic anemia

Question 10

What is the treatment of Lead poisoning?

Answer 10

Dimercaptal (chelation) if levels high enough.