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Infectious Diseases & The Immune System

Infectious Diseases & The Immune System. What is infectious disease. Any disease that is caused by an agent/pathogen (virus, bacteria, etc.) that can pass from one living thing to another. If it’s contagious, it can be passed directly from one person to another. Patho =disease, gen=producer

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Infectious Diseases & The Immune System

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  1. Infectious Diseases & The Immune System

  2. What is infectious disease • Any disease that is caused by an agent/pathogen (virus, bacteria, etc.) that can pass from one living thing to another. If it’s contagious, it can be passed directly from one person to another. • Patho=disease, gen=producer • Disease=any condition that interferes with proper functioning of the body & mind

  3. Infections Spread By… INDIRECT CONTACT DIRECT CONTACT

  4. WHAT ARE SOME THINGS YOU CAN DO TO STOP THE SPREAD OF COMMUNICABLE DISEASES?

  5. Is it Viral or Bacterial Common Bacterial Infections Cold Flu Hepatitis Mono Pneumonia, Bronchitis Pink eye Meningitis Bronchitis Pneumonia Pink Eye Tuberculosis Sinusitis Strep Throat Meningitis Common Viral Infections

  6. Treatment for Bacterial Infections (Strep, pink eye, pneumonia, sinusitis, etc.) – antibiotics

  7. TREATMENT: • There is no treatment once you are infected with a virus. • You can prevent however… • Vaccines are available for “some” viruses • Prevention is the key Viral Infections Small particles that consists of genetic material. Viruses can not reproduce on their own, but need a “host” cell.

  8. How are bacterial infections different from viral infections?

  9. YOUR BODY’S DEFENSE SYSTEM…

  10. WHAT ARE SIGNS & SYMPTOMS OF INFECTION…

  11. PREVENTION: What are some other ways to prevent getting sick?

  12. What is the function of the immune system? What is a contagious period?

  13. IMMUNE SYSTEM RESPONSE TO AN INVADING GERM/VIRUS Osmosis jones clip (3) http://www.youtube.com/watch?v=qKq3hOgC8YE Flu virus (5 min.) http://app.discoveryeducation.com/player/view?assetGuid=F992012F-21A0-45EC-8CF7-AE7B8B48A385 Immune System (23 min.) http://app.discoveryeducation.com/search#N=18342+4294924904&No=0&Ne=4294925432&Ntk=All&Ntx=mode+matchallpartial&Ns=p_wtd|1

  14. CONCEPT MAPPING Link the following vocabulary words to illustrate how the body defends itself against infectious diseases. T cells, virus-infected cells, macrophages, B cells, antibodies, immune system, physical barriers, skin, defense system, tears, saliva

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