The nurse notes that a prescribed medication includes potassium chloride elixir 40 mEq, po, did. Prior to administering the medication, the nurse checks the client's potassium level which is 6.5 mol/L. What is the best intervention by the nurse?
A. Administer the dose of potassium and document the serum potassium level in the chart.
B. Ask the pharmacist to supply a tablet rather than an elixir since the client is on fluid restriction.
C. Hold the dose of potassium and contact the doctor to report the serum potassium level.
D. Calculate the mL of the medication needed and record the amount on the fluid intake record.