immune system

Hey guys, i came up with a question when studying Immunology. I have asked my professor,but he just,u know,said something ambiguous and walked through it. Here is my question It is already known that T cells need go through positive and negative selection,so that they can develop into mature T...

First aid notes that with acute transplant rejection, there is cell-mediated cytotoxicity via CD8+ T cells reacting to MHC class 1/2 it perceives as foreign on donor cells. Then it also says that a humoral response is seen with acute rejection via antibody production. From what I could vaguely...

The scientists claimed that antibody B offers a better means in preventing organ injury than agents such as free radical and protease inhibitors. Which of the following reasons offers the best support for this claim? (Correct Choice: B) A. Antibody B is a high affinity antibody; therefore, it...