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Which of the following best describes chronic rejection of tissue transplant?

Agglutination involves an antigen:antibody complex where the antigen is soluble (not attached to a cell/carrier particle). 

If a patient with type A blood were to receive donor blood that was type B, what type of hypersensitivity reaction would occur, if any?

Which of the following is NOT a cause for severe combined immunodeficiency? 

Which of the following is a molecular technique that could be used to detect aberrant gene expression in cancer cells?

An individual that develops an antibody against a pathogen that can cross-react with their own host cells best describes:

Many of the autoimmune diseases have been linked to certain specific HLA alleles.  

T Cells remain inactive if they do not receive co-stimulator signals from antigen presenting cells. This is best known as:

Which of the following could result in accelerated cell-growth, possibly leading to tumor formation?

Which of the following accurately describes the cause for Myasthenia Gravis?