Question

When an organ is transplanted and is rejected by the body, the lymphocytes produced are

• A. T-cells and B-cells both
• B. Neutrophils
• C. Only B-cells
• D. Eosinophils

Answer 1

The correct option is A

T-cells and B-cells both

Transplant rejection occurs when transplanted tissue is rejected by the recipient's immune system, which destroys the transplanted tissue. Transplant rejection can be lessened by determining the molecular similitude between donor and recipient and by use of immunosuppressant drugs after transplant. Rejection is an adaptive immune response via cellular immunity (mediated by killer T cells inducing apoptosis of target cells) as well as humoral immunity (mediated by activated B cells secreting antibody molecules).