Signs of patient ________ may be the result of Alzheimer's disease, senility, depression, head injury, or misuse of medications or alcohol.

Patient Confusion

A state where patients are unable to think clearly or understand information provided to them.

Alzheimer's Disease

Alzheimer's Disease is a progressive neurological disorder that leads to memory loss, cognitive decline, and ultimately, loss of ability to perform everyday activities, due to the degeneration of brain cells.

Senility

A term historically used to describe the decline in mental ability associated with old age, now more commonly referred to as severe dementia or Alzheimer's disease.