Question

1. all of the following types are white blood cells, except

a. t cells
b. platelets
c. lymphocytes
d. neutrophils

Explanation:

White blood cells (leukocytes) include T cells (a type of lymphocyte), lymphocytes, and neutrophils. Platelets (thrombocytes) are cell fragments involved in blood clotting, not white blood cells.

Answer:

b. Platelets