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NEET2015ZoologyHuman Health and DiseasesActual

Grafted kidney may be rejected in a patient due to:

Options

  1. ACell-mediated immune response
  2. BPassive immune response
  3. CInnate immune response
  4. DHumoral immune response

Correct answer

A. Cell-mediated immune response

Step-by-step solution

The T-lymphocytes mediate the cell-mediated immunity (CMI). T-cells respond to antigens by producing a clone of T-cells. Each T-cells recognizes a specific antigen. Therefore, there are different types of T-cells for every antigen which the body encounters. CMI is involved in immunity against infectious diseases, transplantation immunity, and graft versus host reaction. Cytotoxic T-cells are mainly responsible for graft rejection.

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