All Questions
Tagged with antibody hematology
8 questions
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How do the anti-D antibodies help prevent Hemolytic Disease of the Newborn? And why do they not act like the maternal antibodies?
I understand that this question has been asked a few times in the past, but the answers there didn't really explain to me why the Anti-D antibodies we introduce are able to prevent the hemolysis of ...
- 121
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Blood serum transfusions - could vaccines against the anti-A/anti-B etc. antibodies be derived, at least in theory?
People with the AB-positive blood type have all three of the A, B and RhD antigens present on their red blood cells, and no antibodies to these in their blood serum (aka blood plasma.)
This means that ...
- 696
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How does the choice of blood draw site influence the possible specificity of a serological test?
The news has reported that a new serological test for the presence of anti-SARS-CoV-2 antibodies has received an emergency use authorization from the FDA, and notably has a higher specificity than ...
- 306
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Why does Anti-A antibodies make type-A blood type clump?
A-type blood has B-antibodies; it also clumps anti-A antibodies are inserted. Why is that? The blood has no antibodies against the A-antibodies to make clump in this way.
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How are antibodies extracted from donor blood?
When blood is donated, the antibodies within it are extracted, but how exactly do they do it? How do they take out the antibodies within the blood, what process do they go through?
- 145
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Blood antigens and immune response
In my textbook, the definition of an antigen is written as follows:
Antigen: A substance that the body recognises as foreign and that can evoke an immune response
The following image also confused ...
- 468
4
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1
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Why is the administration of exogenous Anti-D not harmful to the foetus?
Haemolytic disease of the newborn can result from Rhesus incompatibility in utero. In this disease an Rh- mother becomes exposed to the antigens of an Rh+ foetus by fetomaternal haemorrhage causing ...
- 13.5k
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Antigen Antibody reactions during blood donation
A person wih blood group O is called a Universal Donor. Well, his plasma contains antibodies A and B. During blood donation, if blood group O is given to a person with blood group A (since blood group ...
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