Question

which of the following leukocytes is correctly matched with its function?
a monocyte - fights against parasitic worms
b basophil - engulfs pathogens by phagocytosis
c neutrophil - becomes macrophages
d lymphocyte - responsible for specific immunity

Explanation:

• Monocyte: Monocytes differentiate into macrophages, not fight parasitic worms.
• Basophil: Basophils release histamine and heparin, not engulf pathogens by phagocytosis.
• Neutrophil: Neutrophils are phagocytic cells that engulf and destroy pathogens, not become macrophages.
• Lymphocyte: Lymphocytes (B - lymphocytes and T - lymphocytes) are responsible for specific immunity. B - lymphocytes produce antibodies (humoral immunity) and T - lymphocytes are involved in cell - mediated immunity.

Answer:

D. Lymphocyte - responsible for specific immunity