Viruses, Bacteria and Health Chapter 2.3
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What is a substance that stimulates the body to produce chemicals to destroy viruses or bacteria?
What is a poison that soaks into food that causes a serious, often deadly disease known as botulism?
______________is a chemical that can kill bacteria without harming a person's cells?
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
What are examples of direct contact?
- high fives
What are some examples of indirect contact?
being places where moisture of infection is in the air
What are common illnesses (viral or bacterial) that pass from one human to another?
- flu or influenza
- chicken pox
- strep throat
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
drinking lots of fluids
eating well balanced meals
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.
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.
Most bacteria are surrounded by a rigid protective structure call a _____________.
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