American Board of Psychiatry and Neurology Flashcards

Which imaging finding is most characteristic of an acute ischemic stroke on early non-contrast CT?

Answer: Often normal in the first hours

Non-contrast CT is often normal early, which is why it is used mainly to exclude hemorrhage.

Which condition classically presents with the triad of dementia, gait apraxia, and urinary incontinence?

Answer: Normal pressure hydrocephalus

NPH presents with the triad often summarized as wet, wobbly, and wacky.

Which class of medication is first-line for acute mania?

Answer: Mood stabilizers or second-generation antipsychotics

Acute mania is treated with mood stabilizers (e.g., lithium, valproate) or atypical antipsychotics.

A patient with a resting tremor, cogwheel rigidity, and bradykinesia most likely has:

Answer: Parkinson disease

Resting tremor, rigidity, and bradykinesia form the core parkinsonian triad.

Which is the most appropriate initial screening tool for cognitive impairment in a clinic setting?

Answer: Mini-Mental State Examination or MoCA

Brief bedside tools like the MMSE or MoCA are first-line cognitive screens.

Huntington disease is inherited in which pattern?

Answer: Autosomal dominant

Huntington disease is autosomal dominant, caused by CAG trinucleotide repeat expansion.

Which drug is used to reverse acute benzodiazepine overdose?

Answer: Flumazenil

Flumazenil is a benzodiazepine receptor antagonist used cautiously for reversal.