Question: A 14-year-old athlete presents for a routine history and physical exam which was unremarkable. His urinalysis reveals 1+ proteinuria. Chart review reveals he had an earlier urinalysis with 1+ proteinuria. The rest of the urinalysis was negative. What is the NEXT step in evaluating this patient's proteinuria? Group of answer choices A. Obtain a renal ultrasound. B. Obtain a comprehensive metabolic profile. C. Obtain a first morning urine specimen. D. Obtain a urine culture and sensitivity.