2nd Credit Test - Deck 3

Question 1

Immunofloresence assay - what is used to detect it ?

Answer 1

Fluorescens microscope.

Question 2

What is toxoid ?

Answer 2

Inactivated toxin.

Question 3

In testing of tubercolisis you are testing for ?

Answer 3

Memory Th cells against Tuberculosis Ag.

Question 4

Which of the following is present in T cell ?

Answer 4

Somatic recombination.

Question 5

Endogenous Ag under go the:

Answer 5

Cytosolic pathway.

Question 6

Haemolytic disease in foals are expressed by:

Answer 6

Aa negative mare having anti Aa antibodies (due to first Aa+ first foal) which go by colostrum to Aa+ foal.

Question 7

For skin reaction test in cattle for tuberculosis is used ?

Answer 7

Purified protein derrivate.

Question 8

What is the dilution and what solution do you use for counting of leukocytes ?

Answer 8

1:20 with Turk solution.

Question 9

How long is blood incubated with distilled water to get hypotonic solution ?

Answer 9

35-40 seconds.

Question 10

Compliment fixation test - what is detected ?

Answer 10

If patient has antibodies specific to Ag.

Question 11

Which of the following markers is present in B-lymphocyte ?

Answer 11

CD19.

Question 12

In cell separating solution, what cells are separated first ?

Answer 12

Lymphocytes and monocytes (Mononuclear cells).

Question 13

Index of phagocytic activity contains one information ?

Answer 13

Number of particles in 100 phagocyte divided by hundred. But index must be over 5.

Question 14

Colorimetric test. What cell is removed first ?

Answer 14

Red blood cell.

Question 15

What is the number of leukocytes in burks chamber if 88 leukocytes were counted in 50 squares. In 1 ml.

Answer 15

88×10⁵ leuk/ml