Question

multiple choice question
which type of leukocyte is indicated by the letter a in this picture? it fights p
participates in allergic reactions.
neutrophil
platelet
lymphocyte
eosinophil
basophil

Explanation:

Eosinophils are leukocytes that fight parasites and participate in allergic reactions. Neutrophils fight bacteria, platelets are not leukocytes, lymphocytes are involved in immune responses (not primarily parasite/allergic), and basophils release histamine. The description matches eosinophil.

Answer:

Eosinophil (the option "Eosinophil" from the multiple - choice list)