infectious diseases & the immune system. what is infectious disease o any disease that is caused...
TRANSCRIPT
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Infectious Diseases & The Immune System
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What is infectious disease
O 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.
O Patho=disease, gen=producerO Disease=any condition that
interferes with proper functioning of the body & mind
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Infections Spread By…DIRECT CONTACT
INDIRECT CONTACT
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WHAT ARE SOME THINGS YOU CAN DO TO STOP THE SPREAD OF COMMUNICABLE
DISEASES?
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Is it Viral or BacterialCommon Viral Infections
Common Bacterial Infections
O ColdO FluO HepatitisO MonoO Pneumonia,
BronchitisO Pink eyeO Meningitis
O BronchitisO PneumoniaO Pink EyeO TuberculosisO SinusitisO Strep ThroatO Meningitis
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Treatment for Bacterial Infections
(Strep, pink eye, pneumonia, sinusitis, etc.) – antibiotics
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Viral Infections
Small particles that consists of
genetic material. Viruses can not
reproduce on their own, but need a
“host” cell.
TREATMENT:o There is no
treatment once you are infected with a virus.
o You can prevent however…
o Vaccines are available for “some” viruses
o Prevention is the key
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How are bacterial infections different
from viral infections?
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YOUR BODY’S DEFENSE SYSTEM…
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WHAT ARE SIGNS & SYMPTOMS OF INFECTION…
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PREVENTION:What are some other ways to prevent getting sick?
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What is the function of the immune system?
What is a contagious period?
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http://www.youtube.com/watch?v=qKq3hOgC8YE
IMMUNE SYSTEM RESPONSE TO AN INVADING GERM/VIRUS
http://app.discoveryeducation.com/search#N=18342+4294924904&No=0&Ne=4294925432&Ntk=All&Ntx=mode+matchallpartial&Ns=p_wtd|1
http://app.discoveryeducation.com/player/view?assetGuid=F992012F-21A0-45EC-8CF7-AE7B8B48A385Immune System (23 min.)
Osmosis jones clip (3)
Flu virus (5 min.)
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CONCEPT MAPPINGLink 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