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Leukocytes quiz

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  • Leukocytes can undergo diapedesis. What is diapedesis?
    Diapedesis is the process by which leukocytes migrate out of the bloodstream into surrounding tissues to perform their functions.
  • Which leukocyte increases in number during parasitic infections?
    Eosinophils increase in number during parasitic infections.
  • What is the most common type of leukocyte in a healthy adult?
    Neutrophils are the most common type of leukocyte in a healthy adult.
  • Which type of leukocyte releases histamine?
    Basophils release histamine to increase capillary permeability and facilitate immune response.
  • What are the two major groups of leukocytes based on their appearance under a microscope?
    The two major groups of leukocytes are granulocytes and agranulocytes.
  • What is the primary role of eosinophils?
    The primary role of eosinophils is to protect against parasitic worms and they are also involved in allergic reactions.
  • What is the function of neutrophil extracellular traps (NETs)?
    NETs act as webs of chromatin to trap and immobilize microbes, aiding in their destruction.
  • What is the role of monocytes in the immune system?
    Monocytes can differentiate into macrophages or dendritic cells, which are key in phagocytosis and initiating immune responses.