Indicate Whether Each of the Following Descriptions Is Shared (S)

Short Answer

Indicate whether each of the following descriptions is shared (S) or not shared (N) between macrophages and neutrophils in destroying invading pathogens in vertebrates. Your answer would be a four-letter string composed of letters S and N only, e.g. SSSS.
( ) They use a respiratory burst and create toxic reactive oxygen species to kill engulfed pathogens.
( ) They are normally found in most tissues even before pathogen invasion.
( ) They are long-lived and normally survive long after activation.
( ) They secrete pro-inflammatory cytokines upon encountering invading pathogens.