Which white blood cells are known to ingest and destroy microorganisms through phagocytosis?

Study for the Certification in Infection Prevention and Control (CIC) Exam. Use flashcards and multiple choice questions with hints and explanations. Ace your exam preparation!

Neutrophils are a type of white blood cell that play a critical role in the immune response, particularly in their ability to ingest and destroy microorganisms through a process known as phagocytosis. When an infection occurs, neutrophils are among the first responders to the site of infection, where they engulf pathogens such as bacteria and fungi.

During phagocytosis, neutrophils surround and internalize the microorganism, which is then contained within a phagosome. This phagosome subsequently fuses with lysosomes, forming a phagolysosome where various enzymes and reactive oxygen species are used to neutralize and break down the invading pathogens. This process is essential for controlling infections and preventing their spread.

Other types of white blood cells, such as eosinophils, lymphocytes, and basophils, have different roles in the immune system. Eosinophils are primarily involved in combating parasitic infections and in allergic reactions. Lymphocytes, which include B cells and T cells, are crucial for the adaptive immune response, focusing more on the production of antibodies and the targeting of infected cells rather than phagocytosis. Basophils are known to play a role in allergic responses and inflammation but do not

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