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Immune system

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  • What do B cells do?
    Produce antibodies
  • What does the immune system do?
    It provides a general defense against harmful microrganisms and substances
  • Which doctor carried out the first vaccination?
    Edward Jenner
  • When you are immune to a disease, what does that mean?
    You will not contract the disease
  • Define autoimmunity
    It is the condition that occurs when our immune system attacks its own tissues and cells.
  • What initiates an immune response?
    An antigen
  • Which diseases are caused by pathogens, and usually contagious?
    Infectious diseases
  • What are pathogens?
    Any microrganisms, such as a virus or a bacterium that can cause disease
  • Which white blood cells are the antibody factories?
    B cells
  • Two types of antigen-presenting cells
    dendritic cells and macrophages
  • Give two examples of first-defense barriers (physical or chemical)
    skin, saliva, mucous, cilia, etc
  • What is immunodeficiency?
    Inability to produce an adequate immune response because of an insufficiency or absence of antibodies, immune cells, or both
  • When these cells sense an infection, they activate other immune cells to fight it.
    Helper T cell
  • Two types of immunity
    innate and acquired
  • There are two types of immunodeficiency
    Congenital and adquired
  • Which diseases are caused by the environment or a genetic disorder, and not contagious?
    Non-Infectious Diseases
  • Which immune system are you born with?
    Innate
  • What is herd immunity?
    A situation in which a disease cannot spread through a group of people because enough of them are immune usually because of having been vaccinated
  • Bacterial infections can be treated with
    antibiotics
  • Name one cell that belongs to the specific (adaptive) immune system
    Memory T-cells, Memory B-cells, lymphocyte Th, Tc, lymphocyte B
  • What is allergy?
    An allergy is where your body reacts to something that's normally harmless like pollen, dust or animal fur.
  • what type of immunity do vaccines provide?
    active acquired immunity
  • What are the four main types of pathogens?
    Viruses, Bacteria, Protozoa, and Fungi
  • What type of organism causes measles?
    A virus
  • Which system produces immune cells?
    skeletal system
  • They are white blood cells of the innate immune system, that destroy infected and diseased cells, like cancer cells.
    Natural killer cells
  • It is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat
    virus
  • Define vaccine
    A preparation that is used to stimulate the body's immune response against diseases
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