Question

which type of leukocyte releases histamine?
multiple choice
eosinophil
basophil
lymphocyte
neutrophil
monocyte

Explanation:

Basophils are a type of leukocyte that contain granules rich in histamine, which they release during allergic reactions and inflammatory responses. Other listed leukocytes have different primary functions: eosinophils target parasites, lymphocytes mediate adaptive immunity, neutrophils fight bacterial infections, and monocytes develop into macrophages for phagocytosis.

Answer:

Basophil