Our expert says:
1. Ask the person to smile. An uneven smile can be a sign of a stroke.
2. Ask the person to stick out his/her tongue. A tongue deviating to the side (crooked) can be a sign.
3. Ask the person to speak coherently or pose a simple question.
4. Ask the person to raise both arms or to move both legs. Inability to lift a limb can also be a sign.
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