Immune System Unit Post-Assessment (Grade 7)

12 Questions
Immune System Unit Post-assessment (grade 7)

Immune System Unit Post-Assessment (Grade 7)

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Questions and Answers
  • 1. 
    A person who has HIV/AIDS and a comprised immune system will not be able to (Standard 5.2a, 5.2f)
    • A. 

      Produce antigens

    • B. 

      Produce red blood cells

    • C. 

      Fight infections

    • D. 

      Digest food properly

    • E. 

      Produce hormones

  • 2. 
    Which of the following is true about viruses? (Standard 5.2b)
    • A. 

      All viruses contain DNA.

    • B. 

      The building blocks of viruses are white blood cells.

    • C. 

      A virus is made up of one or more cells.

    • D. 

      A virus needs a host in order to reproduce.

    • E. 

      All of the above.

  • 3. 
    Helper T cells present a processed ____________ to B cells to activate them so they can begin a specific immune response. (Standard 5.2c)
    • A. 

      Antibody

    • B. 

      Allergen

    • C. 

      Cytokine

    • D. 

      Antigen

    • E. 

      Lymphocyte

  • 4. 
    The human body (Standard 5.2d):
    • A. 

      Does not make antibodies.

    • B. 

      Makes only one type of antibody.

    • C. 

      Makes one hundred different types of antibodies.

    • D. 

      Makes billions of different types of antibodies.

    • E. 

      Only makes cytotoxic T cell antibodies.

  • 5. 
    Which of the following statements is true about vaccinations (Standard 5.2e)?
    • A. 

      Vaccinations use weakened antibodies to stimulate the immune system to react.

    • B. 

      Vaccinations utilize hormones in the blood to inhibit reproduction of the virus.

    • C. 

      Vaccinations release enzymes from platelets that hydrolyze the virus.

    • D. 

      Vaccinations use weakened microbes to stimulate the immune system to react.

    • E. 

      None of these statements are true.

  • 6. 
    Failure of negative feedback mechanisms to maintain homeostasis (Standard 5.2 a):
    • A. 

      Occurs when blood pressure increases during exercise

    • B. 

      Cannot be corrected by medical therapy

    • C. 

      Can be corrected by stimulating positive-feedback mechanisms

    • D. 

      Prevents disease

    • E. 

      May upset dynamic equilibrium.

  • 7. 
    Subtances released by the human body in response to allergens are called: (Standard 5.2g)
    • A. 

      Allergies

    • B. 

      Cytotoxic T cells

    • C. 

      Histamines

    • D. 

      Hormones

    • E. 

      Neurotransmitters

  • 8. 
    Which statement about diseases is NOT true (Standard 5.2h)?
    • A. 

      Diseases can be caused by poor nutrition

    • B. 

      Disease can be caused by personal behavior

    • C. 

      Diseases can be inherited

    • D. 

      Diseases can be caused by antibodies

    • E. 

      Disease can be caused by toxic substances

  • 9. 
    Which statement best describes the diagram below (Standard 5.2i)?
    • A. 

      Cancer is an example of dynamic equilibrium.

    • B. 

      Cell division accelerates to maintain homeostasis

    • C. 

      When skin cells die, they are quickly replaced.

    • D. 

      Tumors result when cells divide at an acclerated rate

    • E. 

      All of the above

  • 10. 
    Which disease can be treated by antibiotics (Standard 5.2j)?
    • A. 

      Cancer

    • B. 

      Flu Virus

    • C. 

      West Nile Virus

    • D. 

      Bacterial Meningitis

    • E. 

      Both B and C

  • 11. 
    Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much you know about the immune system and disease?
  • 12. 
    Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in the immune system and disease?