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  2. Blood Typing: Purpose, Procedure, and Risks - Healthline

    www.healthline.com/health/blood-typing

    Blood typing is a test that determines a person’s blood type. The test is essential if you need a blood transfusion or are planning to donate blood. Not all blood types are compatible, so it’s ...

  3. Blood Types & ABO Blood Group Test: What Blood Type Are You?

    www.webmd.com/a-to-z-guides/blood-types-what-to-know

    Group A has the A antigen and B antibody. Group B has the B antigen and the A antibody. Group AB has A and B antigens but neither A nor B antibodies. Group O doesn’t have A or B antigens but has ...

  4. How to Find Out Your Blood Type: Home Testing & More - Healthline

    www.healthline.com/health/how-to-find-out-your...

    Your blood type is determined based on specific antigens present in your blood. You can find out your blood type by asking your doctor for a test, donating blood, or taking an at-home blood test ...

  5. Body Type Quiz: Are You an Endomorph, Ectomorph, or Mesomorph?

    www.healthline.com/.../quiz-whats-your-body-type

    Currently, research suggests there are three dominant body types, known as somatotypes: ectomorph (long and lean; little body fat or muscle) mesomorph (well-defined muscles; more muscle than body ...

  6. Blood Crossmatching: The First Step in Blood Transfusions - WebMD

    www.webmd.com/a-to-z-guides/what-is-blood-cross...

    The first test is blood typing, which tells you your blood type. This test also shows whether your Rh blood type is positive or negative. There are four blood groups: After establishing your blood ...

  7. Diabetes Diagnosis: Tests Used to Detect Diabetes - WebMD

    www.webmd.com/diabetes/diagnosis-diabetes

    An oral glucose tolerance test ... can help determine if a person has type 1 diabetes and not another type. The goal of having the ZnT8Ab test is a prompt and accurate diagnosis and that can lead ...

  8. Type I and type II errors - Wikipedia

    en.wikipedia.org/wiki/Type_I_and_type_II_errors

    In statistical hypothesis testing, a type I error, or a false positive, is the rejection of the null hypothesis when it is actually true. For example, an innocent person may be convicted. A type II error, or a false negative, is the failure to reject a null hypothesis that is actually false. For example: a guilty person may be not convicted.

  9. Identity documents in the United States - Wikipedia

    en.wikipedia.org/wiki/Identity_documents_in_the...

    In the United States, identity documents are typically the regional state -issued driver's license or identity card, while also the Social Security card (or just the Social Security number) and the United States Passport Card may serve as national identification. The United States passport itself also may serve as identification.