Infectious Diseases: Pathogens, Transmission, and Prevention
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Questions and Answers

What term is used to describe any organism that causes disease?

  • Host
  • Toxin
  • Microorganism
  • Pathogen (correct)
  • What is the term for the ability of a pathogen to cause disease?

  • Pathogenicity (correct)
  • Toxicity
  • Infectivity
  • Virulence
  • What is the term for a larger organism that supports the survival and growth of a smaller organism?

  • Pathogen
  • Microorganism
  • Parasite
  • Host (correct)
  • When a host has a pathogen growing and multiplying within or on it, it is said to have:

    <p>An infection</p> Signup and view all the answers

    What is the term for any change from a state of health in which part or all of the host body is not capable of carrying on its normal functions due to the presence of a pathogen or its products?

    <p>Infectious disease</p> Signup and view all the answers

    What is the main difference between pathogenicity and virulence?

    <p>Pathogenicity refers to the ability of a microorganism to cause disease, while virulence refers to the severity of the disease caused by the microorganism.</p> Signup and view all the answers

    What distinguishes an emerging infectious disease (EID) from a pandemic?

    <p>An EID is a newly appeared disease or one rapidly increasing in incidence, while a pandemic is a global outbreak affecting a large proportion of the population.</p> Signup and view all the answers

    What is the role of infection prevention and control (IPC)?

    <p>To break the chain of infection and prevent the spread of infectious diseases within communities and healthcare settings.</p> Signup and view all the answers

    What characterizes zoonotic diseases?

    <p>They are naturally transmissible from vertebrates to humans and can account for a large proportion of new and existing infectious diseases in humans.</p> Signup and view all the answers

    What is required for the infectious disease spread to occur?

    <p>Exposure to an agent of substantial virulence and susceptibility of individuals or populations.</p> Signup and view all the answers

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