<prompt> A girl aged 8 years has been admitted for dialysis. She has serum K of 7.5 meq1, which is the fastest way to reduce the hyperkalemia?Kayexalate enemaInfusion of insulin glucoseIV calcium gluconateIV NaHCO3  <response>: Answer is B Infusion of insulin and glucose: Intravenous insulin is the fastest way to lower serum potassium levels Reduce serum levels by shifting Remove excess potassium from the body K from extracellular to intracellular fluid 