Epidemiologic Measures in Parasitology Lecture
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Questions and Answers

What does prevalence of infection refer to?

  • The percentage of individuals in a population estimated to be infected with a particular parasite species at a given time (correct)
  • The number of new cases of infection appearing in a population
  • The number of worms per infected person
  • The fall in egg counts after deworming

    • What is the intensity of infection related to in parasitology?

  • The number of new cases of infection appearing in a population
  • The clinical consequences of infections that affect an individual's well-being
  • The fall in egg counts after deworming
  • The burden of infection related to the number of worms per infected person (correct)

    • What does cure rate refer to in the context of deworming?

  • The fall in egg counts after deworming
  • The number of previously positive subjects found to be egg negative after deworming (correct)
  • The percentage of individuals in a population infected with at least one parasite
  • The use of anthelmintic drugs in an individual or a public health program

    • What is morbidity in relation to parasitology?

    <p>The clinical consequences of infections or diseases that affect an individual's well-being</p> Signup and view all the answers

    What is the main goal of disease eradication?

    <p>Permanent reduction to zero of the worldwide incidence of infection caused by a specific agent</p> Signup and view all the answers

    How can morbidity control be achieved according to the text?

    <p>Through selective deworming of individuals or groups at risk of morbidity</p> Signup and view all the answers

    What does environmental sanitation involve according to the text?

    <p>Provision of adequate facilities for safe disposal of human excreta</p> Signup and view all the answers

    What distinguishes disease elimination from disease eradication?

    <p>Reduction to zero of the incidence in a defined area vs. worldwide</p> Signup and view all the answers

    How do most parasitic organisms attain sexual maturity?

    <p>By spending their entire lives within a host with one generation after another</p> Signup and view all the answers

    What is a common mode of transmission for Clonorchis and Opisthorchis?

    <p>Ingesting raw or improperly cooked freshwater fish</p> Signup and view all the answers

    Which of the following is a potential portal of entry for parasitic infections according to the text?

    <p>Skin exposure to soil</p> Signup and view all the answers

    Why is it mentioned that as the life cycle of a parasite becomes more complicated, the chances for individual parasites to survive decrease?

    <p>Due to the complexity of passing through different stages in intermediate hosts</p> Signup and view all the answers

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