Test 2 Qs 1-12

Question 1

What is detected by ˋside scatterˋ in Flow Cytometry?

Answer 1

Granules

Question 2

What labels the antigen in direct IFA?

Answer 2

Primary Antibody labelled with flurochrome

Question 3

What is the number of Leucocytes in animal blood?

Answer 3

5-10 X 10ˆ5

Question 4

What is blood diluted with in cell counting?

Answer 4

Turk solution (1:20)

Question 5

What is used to opsonite particles for testing phagocytosis?

Answer 5

Latex particle

Question 6

What does index of phagocytic activity calculate?

Answer 6

Average of particles in one phagocyte

Question 7

CD16 is ligand to what in NK cell?

Answer 7

Fc end on IgG

Question 8

CD79 stimulates transmitter on what cell?

Answer 8

B cell

Question 9

What is haemolytic solution?

Answer 9

2% sensitised sheep erythrocytes with amboceptor

Question 10

Which is NOT Type 2 Hypersensitivity?

a. Transfusion reaction
b. Haemolytic disease of newborn
c. Serum sickness
d. Drug indused haemolytic anaemia

Answer 10

c. Serum sickness

Question 11

Which are anti-inflammatory cytokines?

Answer 11

IL 10

Question 12

How long time does Tuberculin test need to show results?

Answer 12

48-72 hours