Which type of white blood cell is most associated with defence against parasites and many allergic reactions?
Correct answer: A. Eosinophil
- A. Eosinophil
- B. Neutrophil
- C. Monocyte
- D. Lymphocyte
Explanation
Eosinophils help defend against helminth parasites and participate in allergic inflammation. Neutrophils mainly respond to acute bacterial infection, while monocytes become macrophages in tissues.
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About Blood and Immunity
Blood and immunity covers plasma, red blood cells, white blood cells, platelets, haemoglobin, blood groups and haemostasis. It explains innate and adaptive defenses, antibodies, lymphocytes, inflammation, vaccination and immune memory, with a distinction between active and passive immunity and between antigen and antibody.
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