Immunology Quiz on Vaccines
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Questions and Answers

Which type of vaccine utilizes harmless viruses to induce a strong immune response?

  • Viral vector vaccines (correct)
  • DNA vaccines
  • Inactivated vaccines
  • Toxoid vaccines
  • What is a primary characteristic of subunit vaccines?

  • They target specific antigens to minimize side effects. (correct)
  • They consist of live attenuated pathogens.
  • They require no boosters after initial administration.
  • They generate immunity against toxin-mediated diseases.
  • Which factors are known to affect an individual's response to vaccines?

  • Genetic predispositions to allergies
  • History of respiratory infections
  • Length of time since last vaccination
  • Age and immune status (correct)
  • Which of the following diseases is directly associated with chronic liver disease and cancer?

    <p>Hepatitis B</p> Signup and view all the answers

    What is the main function of antibodies in the immune response?

    <p>To neutralize antigens and opsonize bacteria</p> Signup and view all the answers

    What is the primary role of B cells in the immune response?

    <p>Produce antibodies specific to an antigen</p> Signup and view all the answers

    Which statement best describes herd immunity?

    <p>It requires a high percentage of a population to be immunized</p> Signup and view all the answers

    What characterizes passive immunity?

    <p>It provides immediate but short-lived protection</p> Signup and view all the answers

    What is immunological memory primarily dependent on?

    <p>The development of memory B and T cells</p> Signup and view all the answers

    What is the main objective of immunization in a population?

    <p>To reduce disease incidence and potentially eradicate it</p> Signup and view all the answers

    Which aspect of active immunity ensures long-term protection?

    <p>The development of cellular immunity through memory T cells</p> Signup and view all the answers

    When does an individual typically achieve active immunity?

    <p>Through infection or vaccination triggering an immune response</p> Signup and view all the answers

    Which type of vaccine generally requires multiple doses and has a shorter duration of immunity?

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

    What is a primary advantage of subunit vaccines?

    <p>They have fewer side effects and are highly effective.</p> Signup and view all the answers

    Which of the following factors can interfere with vaccine responses in early infancy?

    <p>Maternal antibodies</p> Signup and view all the answers

    What is a limitation of viral vector vaccines?

    <p>They may not be suitable for all individuals due to adverse reactions.</p> Signup and view all the answers

    Which statement about herd immunity is true?

    <p>It can protect those who are unimmunized by reducing overall disease transmission.</p> Signup and view all the answers

    What type of immunization involves the body's immune response creating long-lasting protection?

    <p>Active immunity</p> Signup and view all the answers

    Which of the following challenges to vaccine distribution is related to handling requirements?

    <p>Vaccine storage and handling</p> Signup and view all the answers

    How do toxoid vaccines function in inducing immunity?

    <p>By inactivating the toxins that cause disease.</p> Signup and view all the answers

    Which diagnostic technique is performed at the site of patient care for rapid results?

    <p>Point-of-Care Tests</p> Signup and view all the answers

    What potential effect do maternal antibodies have on infants regarding vaccinations?

    <p>They can lead to ineffective vaccine responses.</p> Signup and view all the answers

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