Quiz on Agglutination and Hemolysis

What is the primary application of agglutination tests?

• Genetic testing

• Disease diagnosis

• Vaccine development

• Blood typing

What happens when red cells do not contain the corresponding antigen in an agglutination test?

• False positives occur

• Hemolysis occurs

• No agglutination occurs

• Agglutination occurs

Which of the following is a factor affecting antigen-antibody reactions?

• Temperature

• Size of the test tube

• Color of the reagent

• Time of day

What is the first phase of agglutination?

• Neutralization

• Sensitization

• Lattice-formation

• Hemolysis

What is the result of complete hemolysis?

• Faint red supernatant

• Red supernatant

• Pink supernatant

• Clear supernatant

Which type of agglutination occurs when antigens are found naturally on the surface of a particle?

• Coagglutination

• Direct agglutination

• Reverse passive agglutination

• Passive agglutination

What is the principle behind passive agglutination?

• Antigens are naturally present

• Antibodies are attached to carrier particles

• Direct binding of antigens to antibodies

• Use of colored particles

In agglutination inhibition, what does a lack of agglutination indicate?

• Negative reaction

• Positive reaction

• False positive

• False negative

What is the target of neutralization tests?

• Antibody production

• Blood type determination

• Toxins and viral agents

• Bacterial growth

What does the ASO Titer measure?

• Viral load

• Blood group type

• Amount of antibodies

• Presence of toxins