• 1. 
    What is the most prevalent noncontagious disease in the world?

  • tooth decay
  • the common cold
  • obesity
  • heart disease
  • 2. 
    Who developed a vaccine against polio?

  • Alexander Fleming
  • Marco Polo
  • C. Everett Koop
  • Jonas Salk
  • 3. 
    What causes the skin disease called shingles?

  • dryness
  • viruses
  • bacteria
  • scratching
  • 4. 
    What causes the skin malady known as acne?

  • sweat
  • chocolate
  • extra oil production
  • bad manners
  • 5. 
    Who discovered penicillin?

  • Benjamin Spock
  • Gulzarilal Nanda
  • Jonas Salk
  • Alexander Fleming
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