21 Questions
What is the advantage of the agglutination method mentioned in the text?
Can be performed easily
Which method is the best for detecting monoclonal gammopathies such as those in multiple myeloma?
Immunofixation electrophoresis
What does the presence of a precipitin line indicate in antigen-antibody interaction?
Specificity between antigen and antibody
Which method involves applying antiserum directly to the gel after electrophoresis is performed?
Immunofixation electrophoresis
What is the main advantage of immunoelectrophoresis as mentioned in the text?
Enhances semiquantitation of antigens
Which method mentioned is an excellent screening test for detecting abnormalities in proteins?
Immunoelectrophoresis
What is the primary force of attraction that an antibody has for a specific antigenic epitope or determinant?
Affinity
In which method does turbidity or cloudiness of a solution get measured by detecting light passing through the sample?
Optical methods
What method measures the light scattered at a particular angle from the incident beam as it passes through a suspension?
Nephelometry
Which technique uses gel instead of a liquid as the medium for precipitation and is affected by factors like size of particles and temperature?
Immunodiffusion
What method involves measuring the turbidity or cloudiness of a solution by detecting light passing through the sample?
Turbidimetry
What is the method that measures the light scattered at a particular angle from the incident beam as it passes through a suspension?
Optical methods
Which method involves precipitation techniques using gel instead of liquid as the medium and is affected by factors like gel viscosity and hydration?
Immunodiffusion
Which specific method measures the light that is scattered at a particular angle from the incident beam as it passes through a suspension?
Nephelometry
What method uses optical methods to measure turbidity or cloudiness of a solution by detecting light passing through the sample?
Turbidimetry
What is the main difference between direct and indirect agglutination?
Direct agglutination uses inert particles, while indirect uses antigen naturally present on a particle.
Which type of agglutination reaction involves the attachment of antibodies to carrier particles instead of antigens?
Passive agglutination
In agglutination inhibition, what is the basis for the lack of visible result with reactive samples?
Competition between particulate and soluble antigens
Which method of agglutination is used for identifying Streptococci and Neisseria bacteria?
Coagglutination
What is the primary characteristic that distinguishes coagulation from other types of agglutination?
Use of RBCs as carriers
Which type of agglutination reaction involves lattice formation as part of its mechanism?
Coagglutination
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