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Blood tests are an invaluable diagnostic tool in the medical profession, and can reveal many, many things that are going on with the patient, some of which are:

  • high white blood cell count, which shows infection in the body
  • low red cell blood count, which can indicate iron deficiency, anemia, etc.
  • some pregnancy tests in doctors offices and hospitals use blood tests
  • tests for HIV and AIDS
  • tests for leukemia
  • many, many different hormone levels are diagnosed with blood tests
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Q: Discuss the use of blood as a diagnostic tool?
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