Understanding Vaccines Quiz
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Questions and Answers

Which type of vaccine can be safely administered to pregnant women?

  • Recombinant subunit/fragment vaccines
  • Viral vector vaccines
  • Live attenuated vaccines
  • Killed (inactivated) vaccines (correct)

    • What treatment is used to destroy micro-organisms in killed (inactivated) vaccines?

  • Heat and antibiotics
  • Formalin and radioactivity (correct)
  • Steroids and antivirals
  • Chemotherapy and radiation

    • Which type of vaccine may require 'booster' doses to maintain immunity?

  • Live attenuated vaccines
  • Recombinant subunit/fragment vaccines
  • Viral vector vaccines
  • Killed (inactivated) vaccines (correct)

    • What is the primary advantage of using a subunit vaccine?

    <p>Very safe, even in people with compromised immune systems (D)</p> Signup and view all the answers

    How are recombinant subunit/fragment vaccines produced?

    <p>Using the isolated DNA fragment coding for relevant proteins from the microorganism (C), Using the isolated DNA fragment coding for relevant proteins from the microorganism (D)</p> Signup and view all the answers

    What is the primary function of a vaccine?

    <p>To stimulate the body's immune system (A)</p> Signup and view all the answers

    Which type of vaccine is capable of inducing a protective immune response by providing continuous antigenic stimulation over time?

    <p>Live attenuated vaccines (C)</p> Signup and view all the answers

    What distinguishes prophylactic vaccines from therapeutic vaccines?

    <p>Prophylactic vaccines prevent future infections, while therapeutic vaccines treat existing conditions (A)</p> Signup and view all the answers

    How are live attenuated vaccines typically prepared?

    <p>By growing the virus/bacteria in tissue cultures to select for less virulent strains (C)</p> Signup and view all the answers

    What is the key characteristic of inactivated killed vaccines?

    <p>They contain microorganisms that have been completely destroyed (A)</p> Signup and view all the answers

    Which type of vaccine is less likely to cause disease in people with weakened immune systems?

    <p>Subunit/fragment vaccines (D)</p> Signup and view all the answers

    What distinguishes subunit/fragment vaccines from live attenuated and inactivated killed vaccines?

    <p>Subunit/fragment vaccines contain only a part of the microorganism or its product (A)</p> Signup and view all the answers

    What is a characteristic of recombinant DNA (rDNA) vaccines?

    <p>They use genetic material from a pathogen to stimulate an immune response (A)</p> Signup and view all the answers

    What is an advantage of subunit/fragment vaccines over live attenuated and inactivated killed vaccines?

    <p>Reduced risk of causing the disease they protect against (A)</p> Signup and view all the answers

    Which type of vaccine may require 'booster' doses to maintain immunity?

    <p>Live attenuated vaccines (D)</p> Signup and view all the answers

    Which type of vaccine is commonly used for diseases like influenza and polio?

    <p>Inactivated killed vaccines (D)</p> Signup and view all the answers

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