Episode 4, Defend: How Our Bodies Defend Themselves Against Infectious Diseases

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Episode 4, Defend: How Our Bodies Defend Themselves Against Infectious Diseases

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Questions and Answers
  • 1. 
    Which system protects our bodies from disease?
    • A. 

      The circulatory system.

    • B. 

      The immune system.

    • C. 

      The protection system.

    • D. 

      The improved system.

  • 2. 
    What is a white blood cell?
    • A. 

      A cell that carries oxygen from the lungs to the tissues.

    • B. 

      A cell that is part of the immune system that protects our bodies from disease.

    • C. 

      A cell that is part of the immune system that carries oxygen form the lungs to the tissues.

  • 3. 
    What is a red blood cell?
    • A. 

      A cell the carries oxygen from the lungs to the tissues.

    • B. 

      A cell that is part of the immune system that protects our bodies from disease.

    • C. 

      A cell that is part of the immune system that carries oxygen form the lungs to the tissues.

  • 4. 
    What is a macrophage?
    • A. 

      A white blood cell that infers pathogens

    • B. 

      A red blood cell that ingests pathogens

    • C. 

      A white blood cell that ingests pathogens

    • D. 

      A white blood cell that ingests pentagons

  • 5. 
    What is an antibody?
    • A. 

      A protein that binds to most pathogens.

    • B. 

      A cell that binds to pathogens.

    • C. 

      A protein that binds to oxygen.

    • D. 

      A protein that binds to a specific pathogen.

  • 6. 
    Antibodies kill:
    • A. 

      All pathogens.

    • B. 

      Only specific pathogens.

    • C. 

      Most pathogens.

    • D. 

      Specific pentagrams.

  • 7. 
    What produces antibodies?
    • A. 

      Proteins.

    • B. 

      White blood cells (B-cells).

    • C. 

      White blood cells (macrophages).

    • D. 

      Red blood cells.

  • 8. 
    Once our immune system produces antibodies that kill specific pathogens,
    • A. 

      We are immune to all pathogens.

    • B. 

      We are isolated from that pathogen.

    • C. 

      We are immune to only that pathogen.

    • D. 

      That pathogen can make us ill.

  • 9. 
    Vaccines work by:
    • A. 

      Exposing our immune system to live or activated pathogens.

    • B. 

      Exposing our immune system to dead or inactivated pathogens.

    • C. 

      Exposing our circulatory system to live or activated pathogens.

    • D. 

      Exploding our immune system to dead or inactivated pathogens.

  • 10. 
    Vaccines trigger:
    • A. 

      White blood cells (macrophages) of our immune systems to produce antibodies.

    • B. 

      White blood cells (B-cells) of our immune systems to produce antibodies.

    • C. 

      Red blood cells of our immune systems to produce antibodies.

    • D. 

      White blood cells (B-cells) of our immune systems to produce antigens.

  • 11. 
    If a large proportion of the population is vaccinated against a pathogen, the spread of the pathogen is:
    • A. 

      Greatly increased.

    • B. 

      Greatly reduced.

  • 12. 
    If a person is infected with a disease they have been vaccinated against,
    • A. 

      Their immune system protects them because they cannot produce antibodies against the disease.

    • B. 

      Their immune system protects them by rapidly producing antibodies against the disease.

    • C. 

      Their immune system does not protect them because they cannot produce antibodies against the disease.

  • 13. 
    If a pathogen that someone is vaccinated against mutates, the vaccination is:
    • A. 

      No longer effective.

    • B. 

      Mutated.

    • C. 

      Super effective.

  • 14. 
    To protect healthy people from infected people, we put them in:
    • A. 

      Quinine.

    • B. 

      Quintuplets.

    • C. 

      Quarantine.

    • D. 

      Quentin.