A 40-year-old male patient with history of polydipsia, polyphagia and polyuria gave a 24 hours urine specimen for the urinalysis laboratory. The laboratory technologist measured urine volume and recorded the result as above 2000ml. Which is the next most appropriate chemical parameter to be examined? a. Glucose test b. Nitrite test c. Bilirubin test d. Protein test

a. Glucose test