Q. 154.2( 5 Votes )

Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
A. auto-immune response

B. humoral immune response

C. physiological immune response

D. cell-mediated immune response

Answer :

Transplantation is the procedure of replacing the unhealthy organ with a healthy one in an individual. Sometimes these replaced organs get rejected by the body’s immune system as they are considered as a foreign object by the body. In response to this, cell mediated immune response takes place by T-Lymphocytes. These lymphocytes try to differentiate between self cells and foreign cells because of which sometimes the graft gets rejected.

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