In allergic diseases, a dramaic increase in basophilic leukocyte number in patients' blood is observed. This phenomenon is due to the following basophil function:

Answer options

1. Participation of heparin and histamine in metabolism
2. Participation in blood clotting
3. Phagocytosis of immune complexes
4. Immunoglobulin synthesis
5. Phagocytosis of microorganisms and small particles

Explanation

In allergic diseases, a dramaic increase in basophilic leukocyte number in patients' blood is observed. This phenomenon is due to the following basophil function:Basophilic leukocytes are phagocytic leukocytes of the blood characterized by numerous basophilic granules containing heparin, histamine, and leukotrienes.