The Nurse Is Reviewing the Serum Creatinine Laboratory Results for a Group

The nurse is reviewing the serum creatinine laboratory results for a group of patients. The nurse identifies which patients as being at risk for having falsely altered serum creatinine levels?

A) patient with rhinovirus taking 10,000 mg of vitamin C daily
B) patient with Parkinson disease and a prescription for methyldopa
C) patient with bipolar disorder and a prescription for lithium carbonate
D) patient with acne vulgaris and a prescription for tetracycline
E) patient with insomnia taking over-the-counter melatonin