Flashcards in Set 25 Micro Diseases Deck (30):
What id DiGeorge syndrome?
thymic tissue missing (bubble boy), no T cells
What is severe combined immunodeficiency syndrome?
No B or T cells, worse than bubble boy
What is Kaposi's sarcoma associated with?
What does Kaposi's sarcoma target?
helper T cells, macrophages, and dendritic cells
Which polio vaccine is "dead"?
Which polio vaccine is "alive"?
How does a Salk vaccine work?
looks like polio, generates memory helper T cells and B cells, but not memory killer T cells
What is an attenuated vaccine?
weakened form of microbe
Most vaccines are:
Why are attenuated vaccines "better"?
produce memory killer T cells
What is the downside to carrier vaccines?
What is a carrier vaccine?
genetically engineered, doesn't cause disease
What is active immunity?
that caused by live or killed viruses
What is passive immunity?
occurs naturally from mother's milk
What is passive-active immunity?
both immunoglobulins and vaccine
What is serology?
study and diagnostic use antigen-antibody interactions in blood serum
What are precipitates?
antigen-antibody mixed, insoluble, huge complexes formed
What is immunodiffusion?
used to test for fungal antigens
What is immunoelectrophoresis?
seperates molecule, looks for particular class of antibodies, used for Borella burgdorferi (lyme disease)
What is viral neutralization?
sensitive and specific, used to ascertain whether patient exposed to a particular virus
What is viral hemagglutination inhibition test?
clumps RBCs, not antibody-antigen reaction, used for influenza
What is the fluorescent antibody test?
dye used, example TB
What are ELISAs?
enzyme linked immunosorbent assay, enzyme labels antibodies for HIV
What is western blot?
verifies presence of antibodies against HIV (AIDS confirmation hearing)
What are immunofiltration assays?
What is agglutination?
blood typing, pregnancy testing
What can be diagnosed by agglutination?
salmonellosis, brucellosis, gonorrhea, rickettsial, mycoplasma, yeast, typhoid fever, meningitis
What is the primary dye for bacteria?