A Patient Is Taking a HMG CoA Reductase Inhibitor and Reports

A patient is taking a HMG CoA reductase inhibitor and reports muscle aches,soreness,and weakness.The nurse suspects these symptoms to indicate early signs of myopathy.When notifying the physician of these symptoms,the nurse will also be sure to report the results of the patient's

A) serum creatine phosphokinase levels.
B) red blood cell count.
C) urine culture.
D) echocardiogram.