While Reviewing the Magnetic Resonance Imaging (MRI) Reports of the Brain

While reviewing the magnetic resonance imaging (MRI) reports of the brain of an older adult client, the nurse finds accumulation of neurofibrillary tangles, senile plaques, and cerebrocortical atrophy of the brain. Upon communicating with the client, the nurse finds that the client has problems related to memory. Which does the nurse infer from these findings?

A) The client has Alzheimer's disease.
B) The client has bipolar disorder.
C) The client has schizophrenia.
D) The client has vascular dementia.