Overweight 65 year old male who smokes 1 pack per day. Brother died of CVA and parents died at 40. BP is 150/102, he has grade 2 hypertensive retinopathy, and PMI is displaced 2cm laterally. Which lab test is best for initial assessment?a. Plasma reninb. serum aldosteronec. Serum creatinin; eval kidney function (second guess would be E)d. urine metanephrinee. urinary sodium/creatinine ratio