A 30 year old mechanic presents for a right lower leg injury. He was working on his car when it fell on his right leg. Urinanalysis reveals dark urine with a dipstick positive for large mount of blood. Serum CK is 28,000 units/L. The primary treatment modality is: 

A. Sodium Bicarbonate

B. Furosemide

C. Mannitol

D. Normal Saline

E. Calcium Gluconate

Answer is D - Normal Saline

Refer Here.