Labels:text | screenshot | font OCR: Resident and Staff Physician Patient Education Chart Neutrophil & Monocyte (White) Blood Cells Neutrophils: Monocytes: 3-8% of 60-70% of white blood cells white blood cells These cells are most active against bacterial infection. Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.