Multiple choice

Testing an individual for HLA haplotype to determine risk of an autoimmune disease would be an example of a

  1. diagnostic tests

  2. presymptomatic test

  3. predispositional test

  4. Screening tests
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C Correct answer
Explanation

Determination of HLA haplotype is based on association of particular haplotype with risk of disease, particularly autoimmune disease. It does not diagnose disease, and finding at-risk haplotype does not guarantee that disease will eventually occur. Rather, it identifies individuals who are predisposed to disease.

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