Viruses, Bacteria and Health Chapter 2.3

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  1. What is a substance that stimulates the body to produce chemicals to destroy viruses or bacteria?
  2. What is a poison that soaks into food that causes a serious, often deadly disease known as botulism?
  3. ______________is a chemical that can kill bacteria without harming a person's cells?
    an antibiotic
  4. In what four ways does infectious disease spread?
    • 1. Though contact with an infected person
    • 2. Contaminated object
    • 3. An infected animal
    • 4. environmental source
  5. What are examples of  direct contact?
    • touching
    • hugging
    • kissing
    • utensils
    • cups
    • handshakes
    • high fives
  6. What are some examples of indirect contact?


    being places where moisture of  infection is in the air
  7. What are common illnesses (viral or bacterial) that pass from one human to another?
    • colds
    • flu or influenza
    • mono
    • chicken pox
    • strep throat
    • hepatitus
    • Aids
  8. There are no medications that can cure viral infections, but there are some symptomatic treatments for a viral infection that are recommended.  What are some of the treatments that you know of?
    over-the-counter drugs like Tylenol/Advil, cough medicines and throat lozenges

    bed rest

    drinking lots of fluids

    eating well balanced meals
  9. Bacterial infections can be treated with antibiotics t o help a person feel better.  How do antibiotics work?
    Antibiotics kill bacteria without harming a person's cells.  They weaken the cell walls of some bacteria and cause bacterial cells to burst.
  10. What are many ways people can protect themselves against infectious disease?
    • 1. Eat nutritious food.
    • 2. Get plenty of rest.
    • 3. Get plenty of fluids.
    • 4. Get plenty of exercise.
    • 5. Wash hands often.
    • 6. Do not share utensils.
    • 7. Get recommended vaccinations.
    • 8. Store food properly.
    • 9. Keep kitchen surfaces clean.
    • 10.Cook meats well.
    • 11.Cover cough/sneeze. 
    • 12.Stay home when sick.
    • 13. Follow doctor recommendations.
  11. Most bacteria are surrounded by a rigid protective structure call a _____________.
    cell wall
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Viruses, Bacteria and Health Chapter 2.3
Viruses, Bacteria and Health
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