A 33-year-old female presents to her family physician for an annual examination. She reports no specific  complaints. Her vital signs are a temperature of 98.7°F, pulse of 82 bpm, and blood pressure of 148/91 mm Hg. A  physical examination reveals no abnormalities other than a bruit on the left side of the back. Of the following,  which may laboratory testing reveal?

a. Decreased aldosterone concentration and decreased plasma renin activity

b. Decreased aldosterone concentration and increased plasma renin activity

c. Increased aldosterone concentration and decreased plasma renin activity

d. Increased aldosterone concentration and increased plasma renin activity