Assertion :Organ transplantation patients are given immuno suppressive drugs Reason: Transplanted tissue has antigens which stimulate the specific immune response of the recipient

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Organ transplantation is a medical procedure in which an organ is removed from one body and placed in the body of a recipient, to replace a damaged or missing organ. Patients who have undergone organ transplantation are given immunosuppressant drugs because the organ from the donor has HLA antigens which are non-self antigens to the recipient. These antigens mediate immune response by producing antibodies against HLA antigens. Hence, immunosuppressant drugs suppress the immune response and transplant rejection is prevented.
So, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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