The doctor transplanted a healthy kidney to a patient with renal failure. Although the doctor's operation was successful, after a few weeks, the transplanted kidney was still necrotic. This is caused by the body's immune response. In this immune response, the transplanted kidney belongs to:
A. pathogen
B. Phagosome
C. antigen
D. Antibody
Answer:C
The doctor transplanted a healthy kidney to a patient with renal failure. Although the doctor's operation was successful, after a few weeks, the transplanted kidney was still necrotic. This is caused by the body's immune response. In this immune response, the transplanted kidney belongs to:
A. pathogen B. Phagosome C. antigen D. Antibody