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AGGLUTINATION(QUIZ#16)

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Direct agglutination occurs when antibodies and antigens are found naturally on a particle

a)

True

b)

False

2.

Are the most often consideration when red blood cells are used as the carrier particle

a)

Rheumatoid Factor

b)

Heterophile antigen

c)

Heterophile antibody

d)

Monoclonal antibody

3.

The reaction where the red blood cells are the indicator particles

a)

Hemagglutination inhibition

b)

Agglutination inhibition

c)

Reverse passive agglutination

d)

Titer

4.

These particles are inexpensive, stable and are not subject to cross-reactivity with other antibodies

a)

Erythrocytes

b)

Charcoal

c)

Silicates

d)

Latex

5.

The use of semi-synthetic beads or particles provides the advantage of consistency, uniformity and stablity

a)

True

b)

False

6.

If the sample has no free hapten, the reagent antibody is able to combine with the ___ and produce a visible agglutination

a)

Carrier particles

b)

Indicator particles

c)

Silicate particles

d)

Erythrocytes particles

7.

Systems using bacteria as the inert particles to which antibody is attached is called Coagglutination

a)

True

b)

False

8.

This is a technique that detects non-agglutinating antibody by means of coupling with a second antibody also called Indirect Coomb's test

a)

True

b)

False

9.

It is used to demonstrate in vivo attachment of antibody or complement to an individual's red blood cells.

a)

Direct antihuman Test

b)

Direct antiglobulin test

c)

Indirect antiglobulin test

d)

Widal test

10.

Agglutination is the visible aggregation of particles caused by combination with two specific antibody

a)

True

b)

False

11.

Sensitization step involves antigen-antibody combination through single ___ determinants on the particle surface.

a)

Antibody

b)

Affinity

c)

Avidity

d)

Antigenic

12.

Passive agglutination employs particles which are coated with antigens not normally found on their surfaces

a)

True

b)

False

13.

Agglutination inhibition reactions are based on the ___ between particulate and soluble antigens for limited antibody-combining sites.

a)

Cooperation

b)

Competition

c)

Combination

d)

Coagulation

14.

Heterophile antibody and rheumatoid factors are two interfering antibodies that may produce a false-positive result.

a)

True

b)

False

15.

Coomb's test is the most widely used procedure in blood banking

a)

True

b)

False

16.

This type of testing is used to detect antibodies to certain viruses such as rubella, mumps, measles, herpes virus and adenovirus

a)

Hemagglutination inhibition

b)

Agglutination inhibition

c)

Reverse passive agglutination

d)

Indirect agglutination

17.

The use of ___ has greatly cut down on cross-reactivity, but there i still a possibility of interference

a)

Monoclonal antigens

b)

Monoclonal antibodies

c)

Hapten

d)

Bacteria

18.

Quality Control and Quality Assurance must standardize method of reading, incubation time, concentration of antigen temperature and diluent

a)

True

b)

False

19.

This protein naturally absorbs the FC portion of antibody molecules which is found in staphylococcus aureus

a)

Protein

b)

Protein A

c)

Titer

d)

Globulin

20.

Antigenics that produce such reaction are often called Agglutinins which involves sensitization followed by lattice formation

a)

True

b)

False