The Son of a Patient with Possible Alzheimer Disease (AD)asks

Multiple Choice

The son of a patient with possible Alzheimer disease (AD) asks the nurse if there is a diagnostic test that can confirm the diagnosis.The nurse responds that:

A) an electroencephalogram is often very useful in diagnosing AD.
B) a positron emission tomography (PET) scan is a cheap but dependable tool.
C) magnetic resonance imaging (MRI) is often ordered for that purpose.
D) postmortem autopsy is the only definitive diagnostic tool.