第十四章单元测试
  1. Which is not one of the uncontrollable risk factors of strokes?  


  2. A:Gender   B:Prior stroke   C:Increasing age   D:Sleep apnea  
    答案:Sleep apnea  
  3. Which is not one of the controllable risk factors of strokes?  


  4. A:High cholesterol   B:Physical inactivity and obesity   C:Excessive alcohol intake   D:Heredity and race  
  5. How severe the stroke is depends on       .  


  6. A:how much of the brain tissue dies   B:how high the blood pressure is   C:how seriously the brain has been damaged   D:how changeable the weather is  
  7. A stroke occurs when       .  


  8. A:the brain is seriously damaged   B:the weather changes frequently   C:the blood supply to the brain is blocked or reduced   D:the blood pressure is extremely high  
  9. Stroke symptoms include        


  10. A:sudden confusion, trouble speaking, or understanding   B:sudden numbness or weakness of face, arm or leg   C:sudden trouble seeing in one or both eyes   D:sudden trouble walking, dizziness, loss of balance or coordination  

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