Qs 91-100

Question 1

Separation of proteins in electric field depends on?

Answer 1

-Whole electric charge
-Serum proteins separation

Question 2

Name two types of haemagglutination tests:

Answer 2

-Direct: detect ab against red cell determinants
-Passive: against compounds artificially copied to red cells

Question 3

What is the ratio Blood - H2O - NaCl?

Answer 3

1 : 2 : 1

Question 4

In latex agglutination:

Answer 4

Latex particle is carrier of antigen or antibody.

Question 5

For what purpose do we use the agglutination test?

Answer 5

To find the presence of specific antibodies.

Question 6

What is HIT?

Answer 6

Haemagglutination inhibition test.

Question 7

If the wells are round in the micrometer plase, is this good or not? Why?

Answer 7

If the wells are round that is good as we can see a shape of the sediment in the bottom if it is positive or negative. if they are flat all the sediment will go to the bottom and we cannot determine a negative or positive result.

Question 8

Is serum/plasma with anticoagulant?

Answer 8

Serum is the liquid that remains after the blood has clotted.
Plasma is the liquid that remains when clotting is prevented with the addition of an anticoagulant.

Question 9

For production of agarose gel for precipitation reaction is used?

Answer 9

1% agar

Question 10

Thw titre of antibody is?

Answer 10

The highest dilution of an antiserum that still react with antigen in serological reactions.