ABPN American Board of Psychiatry and Neurology 3

Question 1

Which vitamin deficiency causes Wernicke encephalopathy?

Accepted Answer

Thiamine (B1)

Answer

Wernicke encephalopathy results from thiamine deficiency, often in chronic alcohol use.

Question 2

The triad of confusion, ophthalmoplegia, and ataxia defines:

Accepted Answer

Wernicke encephalopathy

Answer

Wernicke encephalopathy classically presents with confusion, ophthalmoplegia, and ataxia.

Question 3

Which mood stabilizer requires monitoring of serum levels, renal, and thyroid function?

Accepted Answer

Lithium

Answer

Lithium has a narrow therapeutic index and affects thyroid and renal function.

Question 4

Guillain-Barré syndrome typically presents with:

Accepted Answer

Ascending symmetric weakness with areflexia

Answer

GBS causes ascending flaccid paralysis with loss of deep tendon reflexes.

Question 5

Which diagnosis requires symptoms lasting at least 6 months in DSM-5 criteria?

Accepted Answer

Schizophrenia

Answer

Schizophrenia requires continuous signs for at least 6 months.

American Board of Psychiatry and Neurology Practice Test