Deck 11

Question 1

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

Answer 1

Two fold

Question 2

In latex agglutination

Answer 2

Latex particle is carrier of antibody or antigen

Question 3

Positive reaction in tube agglutination test is

Answer 3

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

Question 4

The precipitation band has the colour

Answer 4

White

Question 5

Zone of equivalence is

Answer 5

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

Question 6

Draw the scheme of precipitation line for
(NOTES)

Answer 6

Antiserum has been carefully laid over an antigen solution for example in tube. At the point of contact, a cloudy or oaque zone forms = precipitation line

Question 7

7. Draw the scheme of sandwich ELISA for detection of antigen
   (NOTESS)

Answer 7

notesss

Question 8

Which of the following components is for ELISA?

Answer 8

Antibody labelled with enzyme

Question 9

What is the ratio – blood: H2O : 2.7 % NaCl used for lysis of erythrocytes in procedure of separation of all leucocytes from whole blood?

Answer 9

1:2:1

Question 10

Leucocytes are counted

Answer 10

In 50 medium squares of Burker chamber