Final answer:
4) Eosinophils are a type of granular leukocyte characterized by slightly larger reddish-orange granules and a nucleus with two to three lobes. Hence, 4) is correct.
Step-by-step explanation:
Eosinophils are a type of granular leukocyte that can be found on a cytology slide. They are characterized by their slightly larger reddish-orange granules and a nucleus with two to three lobes.
Other types of granular leukocytes include neutrophils, which have small granules that stain light lilac, and basophils, which have large granules that stain dark blue to purple.