An 18-year-old white male underwent a physical exam prior to beginning military training anu service

An 18-year-old white male underwent a physical exam prior to beginning military training anu service. He had no history of serious illness or hematologic disorder but admitted that he rarely saw a doctor. He was unsure of the medical history of his family members. A screening complete blood count (CBC) performed in the physicians’ office laboratory yielded the following results: Analyte Patient Result Reference Interval WBC 4.6 x 109/L 4.5 – 11.0 x 109/L RBC 5.18 x 1012/L 4.5 – 5.5 x 1012/L Hgb 12.0 g/dL 14 – 17.4 g/dL Hct 38% 42 – 52% Pit 223 x 109/L 150 – 450 x 109/L MCV 73 fL 80 – 100 fl MCH 23 pg 28 – 34 pg MCHC 31 g/dL 32 – 36 g/dL ENG 1:32 PM