Chapter 18 Flashcards Preview

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Flashcards in Chapter 18 Deck (12):
1

Antigenic Determinants are _________.

Epitopes

2

What are Toxoids made from?

exotoxins diphtheria and tetanus

3

In the Hep B vaccine you are getting __ protein of the virus.

1

4

What was different about the old pertussis vaccine?

It used the whole capsule; had many side effects; lasted longer

5

The tuberculosis test is done by DTH which stands for?

delayed type hypersensitivity

6

Name 6 serologic tests.

1. Precipitation RXN
2. Immunodiffusion test
3. Agglutination RXN
4. Neutralization RXN
5. Fluorescent antibody test
6. Enzyme linked Immunosorbent Assay (ELISA test)

7

Precipitation RXN's

IgM or IgG; soluble antigen; can tell if you have hep B antibody

8

Immunodiffusion test

soluble antigen

9

Agglutination RXN (blood typing)

involves 3 tests:
1. direct agglutination rxn
2. Indirect (passive) agglutination test
3. Hemagglutination test

10

Neutralization Rxn

Involves 2 tests:
1. toxin neutralization test
2. virus neutralization test

11

Fluorescent Antibody Test

A test in which a fluorescent dye is linked to an antibody for diagnostic purposes

12

Enzyme linked immunosorbent assay (ELISA)

is used to test for HIV; can test 94 separate human serums for HIV in the wells at once; the bottom of the well has HIV virus in it, and antibodies will bind to this HIV if the test is positive; if positive the diagnosis of HIV must then be confirmed by the Western blotting test.