Question

A 72-year-old woman in a nursing home becomes acutely confused and agitated over several hours. She is disoriented and has visual hallucinations. Family reports she was previously oriented. Which of the following features best distinguishes delirium from dementia in this case?

Accepted Answer

Acute onset and fluctuating course

Answer

Impaired short-term memory

Answer

Visual hallucinations

Answer

Disorientation to time

Answer

Age over 65 years

Practice question

A 72-year-old woman in a nursing home becomes acutely confused and agitated over several hours. She is disoriented and has visual hallucinations. Family reports she was previously oriented. Which of the following features best distinguishes delirium from dementia in this case?