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NEET 2017
Exam
NEET
Year
2017
Subject
Zoology
Chapter
Human Health and Diseases

NEET 2017 · Zoology · Human Health and Diseases

Transplantation of tissues/organs fails often due to non-acceptance...

Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

Options

  1. AAutoimmune response
  2. BCell-mediated immune response
  3. CHormonal immune response
  4. DPhysiological immune response

Correct answer

B. Cell-mediated immune response

Step-by-step solution

Non-acceptance or rejection of graft or transplanted tissues/organs is due to cell-mediated immune response. Cell-mediated immunity is defined as a beneficial host response characterized by an expanded population of specific T-cells, which, in the presence of antigens, produce cytokines locally.
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