Qs 51-60

Question 1

Agglutination reaction is reaction between:

Answer 1

Corpuscular antigen and polyclonal antibody.

Question 2

Serological reaction is:

Answer 2

Study of blood serum where antigen binds to antibody.

-ag+ab –> agab

Question 3

FACS is used for:

Answer 3

Analysis and sort a mixture of the cells based on their differential ability to bind fluorescence dye labeled ATB.

Question 4

The direct IFA is used for:

Answer 4

Determination of antigen in a well or tissue by direct labelling with antibody labelled with FITC.

Question 5

Phagocytosis is property of:

Answer 5

neutrophils, monocytes/macrophages

Question 6

If we use separating solution for isolation of mononuclear cells, we need:

Answer 6

gently overlay separation solution, with blood and then centrifuge the sample (2500rpm/15min)

Question 7

Common characteristic of separating solution for isolatopn of mononuclear cells is:

Answer 7

Density.

Question 8

Mononuclear cells are:

Answer 8

Monocytes
Lymphocytes
Macrophages

Question 9

The live cells are cells:

Answer 9

Never stained

Question 10

For checking of viability of cells we may use:

Answer 10

Trypan blue solution.