Answer Key with Explanations:

1. True
   CAD happens when the arteries to the heart become narrow or blocked, reducing blood flow.
   
   

2. True
   Smoking damages blood vessels and raises the risk of CAD.
   
   

3. False
   High blood pressure is a major risk factor for CAD because it damages arteries.
   
   

4. False
   Fried and fatty foods increase cholesterol and plaque build-up, raising CAD risk.
   
   

5. True
   Medicines help control symptoms and reduce complications of CAD.
   
   

6. False
   Stopping medicines without a doctor’s advice can cause worsening of CAD.
   
   

7. True
   Exercise improves heart health and helps manage CAD.
   
   

8. False
   New or worsening chest pain, even if it goes away with rest, should be reported.
   
   

9. True
   Chest pain lasting more than 5 minutes or not improving with rest can signal a heart attack and needs emergency care.
   
   

10. True
    Stress can increase blood pressure and heart strain, so managing stress lowers risk.
    
    

11. True
    CAD can lead to heart attacks if blood flow is blocked.
    
    

12. True
    Water, fruits, and vegetables support heart health with nutrients and hydration.
    
    

13. False
    Smoking damages arteries no matter what medicines you take.
    
    

14. True
    Swelling in legs and ankles can mean the heart is not pumping well.
    
    

15. True
    Sudden weakness or trouble speaking may be stroke signs and require emergency help.
    
    

16. False
    CAD can affect adults of many ages, though risk increases with age.
    
    

17. True
    Salt and sugar can raise blood pressure and blood sugar, harming the heart.
    
    

18. True
    Maintaining a healthy weight reduces strain on the heart and lowers risk.
    
    

19. True
    Following your doctor’s advice is important to control CAD and prevent complications.
    
    

20. True
    New or worsening shortness of breath can be a sign of heart problems and should be checked.