Safety and emergenciesQuestion 1050 of 1700
About what share of strokes are caused by a blocked artery in the brain?
- 20 percent
- 50 percent
- 80 percent
- 95 percent
Show answer
Correct answer: 80 percent
Most strokes, about 80 percent, come from a blockage. Bleeding causes the other kind.
Source: Nursing Assistant (Reuter), 3.2: Emergency Situations
Questions last reviewed: 18 October 2026