If you calculate the plasma osmolality of a child with plasma Na+ 125 mEq/l, glucose 108 mg/ dl, and BUN (blood urea nitrogen) 140 mg/ dl, the most appropriate answer would be:
B i.e. 306 mOsm/kg
300 mOsm/kg
306 mOsm/kg
312 mOsm/kg
318 mOsm/kg