CNA Practice Test
Mental health and dementiaQuestion 748 of 1700

Which statement about diagnosing Alzheimer’s disease is correct?

  1. No one test proves it; providers use many sources
  2. One blood test alone can prove the disease is present
  3. One hearing test by itself can prove the disease
  4. An aide can confirm it by watching behavior over time
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Correct answer: No one test proves it; providers use many sources

Providers use several sources of information to diagnose.

Source: Nursing Assistant (Reuter), 10.5: Caring for Clients With Dementia

Practice mental health and dementia

Questions last reviewed: 18 October 2026