1. A 37-year-old m an w ho was scheduled for a heart transplant received a triple im m unosuppressive therapy just before surgery that included azathioprine and prednisone. Which of the follow ing...

1. A 37-year-old m an w ho was scheduled for a heart transplant received a triple im m unosuppressive therapy just before surgery that included azathioprine and prednisone. Which of the follow ing drugs was m ost likely the third agent of that com bination drug regim en? A. Aldesleukin B. Cyclosporine C. Triam cinolone D. In ixim ab E. Etanercept 2. A 48-year-old wom an w ho underwent a liver transplant had been receiving im m unosuppression treatm ent w ith prednisone and cyclosporine. Despite the therapy, a liver biopsy still showed rejection 12 days after surgery, and the therapeutic team decided to substitute tacrolim us for cyclosporine. Which of the follow ing cells represent the m ain site of action of tacrolim us? A. Macrophages B. Dendritic cells C. T-helper cells D. Plasm a cells E. Natural killer cells