Receiving a positive blood test for antibodies associated with a particular disease.
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Positive antibodies indicate that the immune system has produced antibodies in response to a specific infection or vaccination. These antibodies help protect the body against future encounters with the same pathogen by recognizing and neutralizing it.
A person who is B positive will have B antigens on their red blood cells and anti-A antibodies in their plasma. This blood type is compatible for transfusion with B positive, B negative, O positive, and O negative blood types.
HIV-positive. Being HIV-positive means that the individual has been exposed to the virus and their immune system has produced antibodies against it, which can be detected through blood testing. It does not necessarily mean they have developed symptoms of HIV or AIDS.
AB positive blood type is considered the universal recipient because it does not have antibodies against A, B, or Rh antigens. This means that individuals with AB positive blood can receive red blood cells from donors of any ABO blood type without causing clumping.
Indirect immunofluorescence assay (IFA) is commonly used to detect anti-Rickettsia antibodies in a patient. This test involves exposing the patient's serum to Rickettsia antigens and then using fluorescently labeled antibodies to detect any bound antibodies. Positive results indicate a past or current infection with Rickettsia bacteria.
No, O positive and AB positive blood types are different. O positive is type O blood with the Rh factor, while AB positive is type AB blood with the Rh factor. Blood type is determined by the presence or absence of antigens on the surface of red blood cells, which is not interchangeable between O and AB types.