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PUBH 201 Midterm 1 Week 3 correctly answered
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PUBH 201 Midterm 1 Week 3 correctly answered
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PUBH 201 Midterm 1 Week 3Know the chain of infection and define each "link" - correct answer ✔✔The pattern by which an
infectious disease is transmitted from person to person, is composed of several links.
- Pathogen: A virus, bacterium, or parasite that can cause the disease in humans
- Reservoir: A place where the pathogen lives and multiplies.
- Place of exit:
- Method of transmission: The pathogen must have a way to travel from one human to another; or from
a reservoir to a new host.
- Port of entry:
- Susceptible Host: Even if the pathogen gains entry, a new potential host may not be susceptible
because the host has immunity to the pathogen
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Know the chain of infection, signs/symptoms, and prevention of tuberculosis - correct answer ✔✔Chain
of infection: Usually transmitted via inhalation, which is how they gain access into the lungs.
Signs/Symptoms: Mild flu like illness at first, can spread to other tissues, fever, night sweats, weight loss,
and coughing up blood
Prevention of TB: Tuberculin test, Interferon Gamma Release Assay
Know the chain of infection, signs/symptoms, and prevention of zika - correct answer ✔✔Chain of
infection: Mosquito borne virus, transports the virus from one person to the next, can reinfect another
mosquito which can affect other people.
Signs/Symptoms:Headaches, mild fever, conjuctivitis, skin rash, joint and muscle pain
Prevention: Bug spray, long sleeve shirts and pants,
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