Final answer:
The cell with a dark, irregular, lobulated nucleus and pale pink-orange cytoplasm is a neutrophil, which is a type of granulocyte with a distinctive lobed nucleus. The correct option is c.
Step-by-step explanation:
The cell which can be identified by its dark, irregular, lobulated nucleus and colorless or pale pink-orange cytoplasm is a neutrophil. Neutrophils are classified as granulocytes because they contain small granules within their cytoplasm that stain light lilac.
Their nucleus typically has two to five lobes, which can increase with the age of the cell, giving them a polymorphonuclear appearance, a characteristic detail that aids in differentiating neutrophils from other leukocytes such as eosinophils and basophils. The correct option is c.