[Expert Solution]: An 18-year-old man (B.H.) has been…

An 18-year-old man (B.H.) has been training for a marathon for the last 4 months. He is noticing his stamina decreasing during his runs over the last couple months. This concern is the reason he scheduled an appointment at the clinic last week. The NP working that day ordered the following labs and he is returning today to review his lab work. The only medications he has been taking are over-the-counter vitamins, vitamin B12, and iron supplement. He denies any alcohol or drug usage. Appetite is good with a balanced diet. He denies weight loss or gain. His physical exam was normal with a BMI of 23. His CBC yielded the following results: TESTRESULTSREF. RANGE* CONVENT. UNITSSI UNITSCONVENT. UNITSWBC9.5 x 103/ml9.5 x 109/l4.8-10.8 x 103/mlRBC5.35 x 106/ml5.35 x 1012/l4.2-5.4 x 106/mlHgb10.5 g/dl105 g/l14.0-18.0 g/dl (male)Hct36.0%360 l/l42-52% (male)MCV:67 fl67 fl80-99 flMCH:19.6 pg19.6 pg27-31 pgMCHC:29.2 g/dl292 g/l33-37 g/dlRDW:14.2% 11.5-14.5%Platelets260 x 103/ml260 x 109/l130-400 x 103/mlMPV10.5 fl 7.4-10.4 fl*Harmening (Ref. 1)Please answer the following questions:What are your top four (4) differential diagnoses?Identify your primary diagnosis An 18-year-old man (B.H.) has been training for a marathon for the last 4 months. He is noticing his stamina decreasing during his runs over the last couple months. This concern is the reason he scheduled an appointment at the clinic last week. The NP working that day ordered the following labs and he is returning today to review his lab work. The only medications he has been taking are over-the-counter vitamins, vitamin B12, and iron supplement. He denies any alcohol or drug usage. Appetite is good with a balanced diet. He denies weight loss or gain. His physical exam was normal with a BMI of 23. His CBC yielded the following results: TESTRESULTSREF. RANGE* CONVENT. UNITSSI UNITSCONVENT. UNITSWBC9.5 x 103/ml9.5 x 109/l4.8-10.8 x 103/mlRBC5.35 x 106/ml5.35 x 1012/l4.2-5.4 x 106/mlHgb10.5 g/dl105 g/l14.0-18.0 g/dl (male)Hct36.0%360 l/l42-52% (male)MCV:67 fl67 fl80-99 flMCH:19.6 pg19.6 pg27-31 pgMCHC:29.2 g/dl292 g/l33-37 g/dlRDW:14.2% 11.5-14.5%Platelets260 x 103/ml260 x 109/l130-400 x 103/mlMPV10.5 fl 7.4-10.4 fl*Harmening (Ref. 1)Please answer the following questions:What are your top four (4) differential diagnoses?Identify your primary diagnosis