Final answer:
Neutrophilia refers to an increased number of circulating neutrophils, which is true. Neutrophils are effective against bacterial infections and an increase in their count can indicate an infection or inflammation.
Step-by-step explanation:
Neutrophilia refers to an increased number of circulating neutrophils. This statement is true. Neutrophils are a type of white blood cell that are particularly effective against bacterial infections. An increase in their number can indicate an infection or inflammation, especially one caused by bacteria.