ABO Blood Groups and Agglutination

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Questions and Answers

What is the purpose of agglutination?

  • To trigger the adaptive immune response
  • To identify specific strains of viruses
  • To separate particles from each other
  • To detect the presence of specific antigens or antibodies in bodily fluids (correct)

What is the meaning of agglutination?

  • Separation of particles
  • Clumping of particles together (correct)
  • Mixing of particles with antibodies
  • Dissolution of particles

Which type of agglutination test involves mixing the antigen and antibody on a slide?

  • Passive agglutination
  • Tube agglutination
  • Active agglutination/direct agglutination (correct)
  • Hemagglutination

What is one of the most common applications of agglutination in clinical practice?

<p>Detecting specific strains of bacteria in microbiological cultures (C)</p> Signup and view all the answers

What is the ABO blood group system based on?

<p>The presence of antigens on red blood cells (A)</p> Signup and view all the answers

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Study Notes

Agglutination

  • Agglutination is a laboratory test used to detect the presence of antibodies or antigens in a sample.
  • The purpose of agglutination is to identify specific antibodies or antigens in a sample, which helps in diagnosing various diseases and determining blood types.

Meaning of Agglutination

  • Agglutination is a reaction in which particles or cells stick together, typically in the presence of an antibody.
  • This reaction causes the particles or cells to clump together, making them visible to the naked eye.

Slide Agglutination Test

  • The slide agglutination test involves mixing the antigen and antibody on a slide to observe the agglutination reaction.

Clinical Application of Agglutination

  • One of the most common applications of agglutination in clinical practice is in blood banking, particularly in cross-matching blood for transfusions.

ABO Blood Group System

  • The ABO blood group system is based on the presence of specific antigens on the surface of red blood cells.

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