MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
WBC that phagocytizes allergens and parasitic worms.
A
lymphocyte
B
eosinophil
C
monocyte
D
neutrophil
Explanation: 

Detailed explanation-1: -Eosinophils make up about 1 to 4% of the leukocytes on average. They are involved in chronic inflammation, allergic reactions, and host deference against parasitic infections.

Detailed explanation-2: -Eos is an abbreviation for eosinophil. This white blood cell is primarily involved in fighting allergies or parasites. High eosinophil counts indicate an allergy or parasite causing illness.

Detailed explanation-3: -While eosinophils are capable of phagocytosis, it is well known that in order for them to kill large parasites such as Strongyloides sp., they must use alternative mechanisms. Eosinophils rely on secreted mediators-cytotoxic granules-to attack and kill parasites [27–30].

Detailed explanation-4: -Eosinophils are a type of disease-fighting white blood cell. This condition most often indicates a parasitic infection, an allergic reaction or cancer. You can have high levels of eosinophils in your blood (blood eosinophilia) or in tissues at the site of an infection or inflammation (tissue eosinophilia).

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