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Question 1

Which of the following immunodiffusion assays is for quantitative determination of Ag?

Answer 1

Single radial immunodiffusion

Question 2

What is a conjugate?

Answer 2

Ab labelled with enzyme

Question 3

Which component is used for IFA? (Immunofluorescent assay)

Answer 3

Ab labelled with fluorochrome

Question 4

Polymorponuclear cells are:

Answer 4

Neutrophils, basophils, eosinophils

Question 5

Size of the cells in flow cytometer is detected by:

Answer 5

Forward scatter

Question 6

For determination of number of leukocytes the blood is:

Answer 6

Diluted in Türk solution (1:20)

Question 7

To determine a titer of antibodies is used a … dilution of serum

Answer 7

Twofold

Question 8

In latex agglutination:

Answer 8

Latex particle is carrier of antibody or antigen (X)

Question 9

Positive reaction in tube agglutination test is:

Answer 9

The white clumping on the bottom (with shape of umbrella) and the clear supernatant

Question 10

The precipitation band has the colour:

Answer 10

White

Question 11

Zone of equivalence is:

Answer 11

Place, where concentration of antigen is in balance with concentration of antibodies

Question 12

Which of the following components is for ELISA?

Answer 12

Antibody labelled with enzyme