Test for Dextran

Question 1

Which principle does the 1st Generation Test for Dextran, also known as the Ouchterlony test, rely on?

A) Immunofluorescence
B) Precipitation reaction (double diffusion double dimension)
C) Enzyme-linked immunosorbent assay (ELISA)
D) Western blotting

Answer 1

B) Precipitation reaction (double diffusion double dimension)

Question 2

Which test for Dextran relies on precipitation with current?

A) Rheophoresis
B) Complement Fixation
C) Counter Immunoelectrophoresis (CIE)
D) None of the above

Answer 2

C) Counter Immunoelectrophoresis (CIE)

Question 3

What is the principle behind Rheophoresis as a test for Dextran?

A) Precipitation with current
B) Precipitation by evaporation
C) Complement fixation
D) None of the above

Answer 3

B) Precipitation by evaporation

Question 4

Which of the following is an example of a 2nd Generation Test?

A) ELISA
B) PCR
C) RIA
D) Complement Fixation

Answer 4

D) Complement Fixation

Question 5

What is the principle behind the 3rd Generation Test for Dextran using Reverse Passive Latex Agglutination?

A) Immunofluorescence
B) Hemagglutination
C) ELISA
D) Agglutination

Answer 5

D) Agglutination

Question 6

In the 3rd Generation Test for Dextran using Reverse Passive Latex Agglutination, what serves as the carrier for anti-HbsAg?

A) Antibodies
B) Red Blood Cells
C) Latex
D) Enzymes

Answer 6

C) Latex

Question 7

Which of the following tests is considered the most sensitive for detecting Dextran?

A) Reverse Passive Hemagglutination
B) ELISA
C) RIA
D) All

Answer 7

D. All

Question 8

In the Reverse Passive Hemagglutination test for Dextran, what is used as the carrier for AntiHBsAg?

A) Platelets
B) Red blood cells
C) White blood cells
D) Antibodies

Answer 8

B) Red blood cells

Question 9

In the Reverse Passive Hemagglutination test for Dextran, what is passively attached to red cells?

a) Dextran
b) AntiHBsAg
c) ELISA
d) RIA

Answer 9

b) AntiHBsAg

Question 10

Which test for Dextran is considered the most sensitive among the 3rd generation tests?

A) ELISA
B) RIA
C) PCR
D) HPLC

Answer 10

A) ELISA

Question 11

What does RIA stand for in the context of Dextran testing?

A) Radioactive Isotope Analysis
B) Radioimmunoassay
C) Reverse Inhibition Assay
D) Relative Ion Absorption

Answer 11

B) Radioimmunoassay