Microbio -1- Infectious disease intro
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each of the black spaces below before clicking
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| A pathological condition of body parts or tissues with identifiable signs and symptoms | disease
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| disease caused by an infectious agents such as bacteria, virus, protozoan or fungus | infectious disease
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| occurs when infectious agent enters body and begins to reproduce | infection
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| term for an infectious agent that causes disease | pathogen
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| organism infected by an infectious agent | host
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| the relative ability of an infectious agent to cause rapid and severe disease in a host is called | virulence
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| the degree of resistance a host has to a particular infectious agent | immunity
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| What fraction of deaths world wide are caused by infectious disease | 1/4 to 1/3
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| what accounts for 1/2 of all deaths of children under 5 | infectious disease
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| what are the top killer infectious disease in the world | HIV/AIDS, TB, Malaria,
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| incubation period | time between infection and appearance of signs and symptoms
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| Prodromal phase | mild nonspecific symptoms signaling onset of disease
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| point of disease when host experiences typical signs and symptoms essentially feels like crap | clinical phase
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| Phase when signs and symptoms start to subside | decline phase
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| recovery phase | symptoms have disappeared and the patient begins to recover
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| Acute disease | develops and runs course quickly
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| Chronic disease | develops slowly and is usually less severe but can last for a long time
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| Latent disease | alternates between periods of infection and times with no disease apparent
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| infection contained to specific area of the body | local infection
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| generalized illness affecting most parts of the body | systemic
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| initial infection in a previously healthy individual | primary infection
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| infection that occurs in a person weakened by a primary infection | secondary infection
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| How do infectious agents cause disease | production of poisons (enzymes or toxins that destroy cells or tissues
direct invasion and destruction of host cells
triggering host immune system which leads to disease's signs and symptoms
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| Remember that personal characteristics provide chink in host's armor to allow disease | ok
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| What disease thrives on malnutrition and alcoholism | TB
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| Disease that takes advantage of dirt and body hair | staph aureus
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| flourishes with testosterone and hormonal changes especially in teenagers | propionibacterium acne
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| likes it when we don't dry between our toes | atheletes foot
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| What infection thrive when antibiotics kill off microbiological competitors | Candida and C difficile, and ecoli staph epidermidis
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| do diseases run the same course in all individuals | no most disease are different for people some people get deathly ill while others hardly get sick at all
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| what is the likelihood that you will get infected with rabies or plague if exposed | 100%
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