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4 Written questions

4 Multiple choice questions

  1. the cells, tissues, and organs that protect the body from disease. the immune system is composed of the white blood cells, bone marrow, thymus gland, spleen and other parts

  2. the body's capacity for identifying, destroying, and disposing of disease-causing agents

  3. drug used to treat viral infections or to provide temporary immunity

  4. substance prepared from killed or weakened pathogens and introduced into a body to produce immunity

4 True/False questions

  1. Pathogen
    An organism that causes disease


  2. Infectious disease
    a disease that cannot be spread from one organism to another.


  3. B cell
    lymphocyte that matures in the bone marrow and later produces antibodies; responsible for humoral immunity


  4. Noninfectious disease
    A disease that is caused by a pathogen and that can be spread from one individual to another.