Which of the following is TRUE regarding intravenous anticoagulants and the reduction of medication errors?

Using standardized potassium concentrations
Storing heparin and insulin vials in separate areas, since both medications are dosed in "units"
Using standardized sodium concentrations
Storing heparin and narcotics vials in separate rooms

Storing heparin and insulin vials in separate areas, since both medications are dosed in "units"

Rationale: Storing heparin and insulin vials in separate areas, since both medications are dosed in "units" is a good way to reduce medication errors. The Joint Commission and ISMP both recommend this.