Serious infections can occur when absolute neutrophil count decreases to?: (A) Less than 500/mL, (B) Less than 800/mL, (C) Less than 1000/mL, (D) Less than 1500/mL
Answer is A. a. Less than 500/mL(Ref: Nelson's 20/e p 1048, Ghai 8/e p 357)Serious infections are most likely when the neutrophil count falls below 500 per mm3.