The nurse obtains the correct answer of .25 ml for a drug calculation. The nurse draws up 25 mL instead. What rule for safe medication administration did the nurse break that contributed to this error?
A. The nurse did not read the medication administration record properly.
B. The nurse was distracted at the med cart.
C. The nurse did not place a zero before the decimal.
D. The nurse did not calculate the amount to give correctly.