Mental health and dementiaQuestion 696 of 1700
About how many adults in the United States have some type of mental health disorder?
- 1 in 5
- 1 in 50
- 1 in 100
- 1 in 2
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Correct answer: 1 in 5
The book cites NAMI: about 1 in 5 adults.
Source: Nursing Assistant (Reuter), 10.4: Caring for Clients With Mental Health or Substance Use Disorders
Questions last reviewed: 18 October 2026