Set 25 Micro Diseases Flashcards Preview

NBCE Part 1 > Set 25 Micro Diseases > Flashcards

Flashcards in Set 25 Micro Diseases Deck (30):
1

What id DiGeorge syndrome?

thymic tissue missing (bubble boy), no T cells

2

What is severe combined immunodeficiency syndrome?

No B or T cells, worse than bubble boy

3

What is Kaposi's sarcoma associated with?

AIDS/HIV-1

4

What does Kaposi's sarcoma target?

helper T cells, macrophages, and dendritic cells

5

Which polio vaccine is "dead"?

salk

6

Which polio vaccine is "alive"?

sabin

7

How does a Salk vaccine work?

looks like polio, generates memory helper T cells and B cells, but not memory killer T cells

8

What is an attenuated vaccine?

weakened form of microbe

9

Most vaccines are:

attenuated

10

Why are attenuated vaccines "better"?

produce memory killer T cells

11

What is the downside to carrier vaccines?

expensive

12

What is a carrier vaccine?

genetically engineered, doesn't cause disease

13

What is active immunity?

that caused by live or killed viruses

14

What is passive immunity?

occurs naturally from mother's milk

15

What is passive-active immunity?

both immunoglobulins and vaccine

16

What is serology?

study and diagnostic use antigen-antibody interactions in blood serum

17

What are precipitates?

antigen-antibody mixed, insoluble, huge complexes formed

18

What is immunodiffusion?

used to test for fungal antigens

19

What is immunoelectrophoresis?

seperates molecule, looks for particular class of antibodies, used for Borella burgdorferi (lyme disease)

20

What is viral neutralization?

sensitive and specific, used to ascertain whether patient exposed to a particular virus

21

What is viral hemagglutination inhibition test?

clumps RBCs, not antibody-antigen reaction, used for influenza

22

What is the fluorescent antibody test?

dye used, example TB

23

What are ELISAs?

enzyme linked immunosorbent assay, enzyme labels antibodies for HIV

24

What is western blot?

verifies presence of antibodies against HIV (AIDS confirmation hearing)

25

What are immunofiltration assays?

rapid ELISAs

26

What is agglutination?

blood typing, pregnancy testing

27

What can be diagnosed by agglutination?

salmonellosis, brucellosis, gonorrhea, rickettsial, mycoplasma, yeast, typhoid fever, meningitis

28

What is the primary dye for bacteria?

crystal violet

29

Positive:

purple

30

Negative:

pink