Portnoy Is 75 Years Old

Multiple Choice

Portnoy is 75 years old. He is having increasing trouble remembering things. He has had increasing periods of disorientation and has gotten lost in his own house several times recently. He can still recall events from his childhood and early adulthood, but he has difficulty remembering recent events. He has symptoms of ______.

A) Parkinson's disease
B) Korsakoff's syndrome
C) Alzheimer's disease
D) Reye's syndrome