Deck 6

Question 1

Which of the following immunoelectrophoresis is for determination of gammopathies in blood serum

Answer 1

Classical immunoelectrophoresis

Question 2

In a direct ELISA for testing of antibody, the intensity of colour measured after adding the substrate in the final step is

Answer 2

Inversely proportional to the concentration of antibody in the patient’s serum

Question 3

In a sandwich ELISA

Answer 3

The labelled antibody is not of identical specificity as the antibody bound to the solid phase

Question 4

For competitive ELISA is NOT used the step

Answer 4

The antigen-antibody mixture is added to an antigen coated well

Question 5

In a blocking ELISA

Answer 5

Enzyme labelled antibody is added after the 1st incubation with the serum containing antibody

Question 6

Which of the following components is for ELISA

Answer 6

Antibody labelled with enzyme

Question 7

Which of the following enzymes is NOT for enzymoimmunoassays

Answer 7

• Myeloperoxidase
• Beta-galactosidase

Question 8

Which of the following components is NOT substrate for enzymoimmunoassays

Answer 8

Fluorescein

Question 9

What is conjugate?

Answer 9

Antibody labelled with enzyme

Question 10

Which of the following components is for IFA

Answer 10

Antibody labelled with fluorochrome