Which is the Least Common Type of White Blood Cell

Question

Which is the least common type of white blood cell?
A) neutrophil
B) eosinophil
C) basophil
D) monocyte
E) lymphocyte

Accepted Answer

Basophils are the least common type of white blood cell, accounting for only 0.5-1% of all white blood cells. Neutrophils are the most common, followed by lymphocytes, monocytes, and eosinophils.