10 Questions
What is the main function of natural killer cells (NK cells) among the different types of white blood cells mentioned?
Killing infected body cells
Which type of white blood cell is primarily responsible for phagocytosis and can leave the blood to enter infected tissue?
Neutrophils
Which type of white blood cell is initially not phagocytic but can transform into macrophages that are strong phagocytes?
Monocytes
During infection, which phase involves phagocytes extending pseudopods to engulf foreign particles?
Ingestion
Which type of white blood cell secretes histamine causing allergies and inflammation?
Basophils
What is the primary role of T and B lymphocytes in the immune system?
Adaptive immunity
Which white blood cell type is responsible for attacking any body cell displaying unusual proteins in the plasma membrane?
Natural Killer Cells (NK cells)
In the context of white blood cells, which one plays a critical role in chemotaxis during infection?
Neutrophils
'Pseudopods' are cellular extensions used by white blood cells for what purpose?
Trapping foreign particles for phagocytosis
What is the main function of macrophages, which are mature monocytes?
Engulf foreign microbes and particles by phagocytosis
Test your knowledge on key processes of the immune system including opsonization, enhanced inflammation, and molecular defenses like interferon. Learn about how C proteins attract phagocytes, increase blood vessel permeability, and interfere with viral replication.
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