1. A 55-year-old m an recently diagnosed w ith hyperuricem ia started a treatm ent w ith allopurinol. Plasm a levels of w hich of the follow ing pairs of endogenous com pounds m ost likely increased...

1. A 55-year-old m an recently diagnosed w ith hyperuricem ia started a treatm ent w ith allopurinol. Plasm a levels of w hich of the follow ing pairs of endogenous com pounds m ost likely increased after a few days of therapy? A. Guanine and xanthine B. Xanthine and hypoxanthine C. Inosine and guanine D. Adenine and inosine E. Adenine and hypoxanthine 2. A 44-year-old wom an at a routine check-up was found to have a serum urate level of 18 m g/dL and a urine urate level of 800 m g/24 h. She started an appropriate treatm ent, and 3 weeks later her serum urate level was 7.2 m g/dL and urinary urate level was 530 m g/24 h. Which of the follow ing drugs did the patient m ost likely take? A. Probenecid B. Aspirin C. Furosem ide D. Allopurinol E. Indom ethacin F. Naproxen