Immune Response in Fetuses and Newborn Animals Quiz
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Questions and Answers

In which species is there no transplacental transfer of antibodies, leading to total dependence on colostral transfer for immunity?

  • Dogs and cats
  • Birds and reptiles
  • Rodents and rabbits
  • Ruminants, horses, and pigs (correct)
  • What are the three potential causes of failure of passive transfer of immunity to the newborn?

  • Delayed development, inadequate nutrition, hormonal imbalance
  • Infection, vaccination, malnutrition
  • Production failure, ingestion failure, absorption failure (correct)
  • Maternal rejection, environmental stress, genetic mutation
  • What is the first lymphoid organ to develop in the fetus?

  • Thymus (correct)
  • Bone marrow
  • Tonsils
  • Spleen
  • Which antibody is predominant in human milk?

    <p>IgA</p> Signup and view all the answers

    Which type of immune response develops at a similar time to humoral responses?

    <p>Cell-mediated immune responses</p> Signup and view all the answers

    What percentage of IgG is predominant in ruminant's milk?

    <p>65-90%</p> Signup and view all the answers

    In which species is there no transplacental transfer of antibodies, leading to total dependence on colostral transfer for immunity?

    <p>Ruminants, horses, and pigs</p> Signup and view all the answers

    Which immune response develops at a similar time to humoral responses?

    <p>Cell-mediated immune responses</p> Signup and view all the answers

    What is the first lymphoid organ to develop in the fetus?

    <p>Thymus</p> Signup and view all the answers

    What is the predominant antibody in human milk?

    <p>IgA</p> Signup and view all the answers

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