Safety and emergenciesQuestion 1046 of 1700
What is the basic cause of a stroke?
- Too little blood and oxygen reaching the heart
- Too little blood and oxygen reaching the brain
- Sudden electrical misfiring of brain neurons
- Food or fluid blocking the airway
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Correct answer: Too little blood and oxygen reaching the brain
Brain cells die in minutes when blood and oxygen stop. Blood loss to the heart is a heart attack.
Source: Nursing Assistant (Reuter), 3.2: Emergency Situations
Questions last reviewed: 18 October 2026