Lab Tests Flashcards
Carcinogenicity, mutagenicity. Uses Salmonella typhimurium.
Ames test
Anthrax
Ascholi test
Tests Strep pyogenes Antibodies. Rheumatic fever.
ASO titer
Antistreptolysin O Titre
% of butter fat in milk
Babcock test
Pneumococci vs. Alpha Hemolytic Strep viridans
Bile solubility
best test for water solution
BOD
“Biological Oxygen Demand”
aka Complement Fixation
Bordet Gengou Phenomenon
Staph vs. Strep
Catalase
Staph (cat +) vs. Strep (cat -)
Virus culture (viruses obligate intracellular parasites. Cannot grow on agar)
Chick embryo culture
(aka Thayer Martin Agar aka Heated Blood Agar) for Gonorrhea
Chocolate Agar
Staph aureus vs. other Staph. pathogenic vs. non - pathogenic
Coagulase Staph aureus (Coag +) vs. other Staph (Coag -
checks E. coli in water purification. Fecal contamination in water
Colliform
Hymolysis, cell lysis.
Complement fixation
Tests RBC antigens. Hemolytic anemia. Erythroblastosis fetalis, Rh Factor
Coombs
scarlet fever
Dicks test
for protozoa / parosites
Giemsa Stain
Seronegative arthritides (PEAR = Psoriatic, enteropathic arthropathy(AS with ulcerative colitis or Crohns), AS, Reiter's)
HLA B27
AIDS (ELISA test checks DNA, Western blot checks protein).
If 2 ELISA(+), do Western blot. If Western Blot(+)= AIDS.
HLA DR5/CD4
for Staph
Mannitol Salt
stiff neck. Possible meningitis. CSF studies show lower glucose
Nuchal rigidity
Heterophile Agglutination test for Mononucleosis (see below)
Paul Bunnel
Milk pasteurization adequate? If all phosphatase enzyme destroyed.
Phosphatase
Swelling of capsule of Strep pneumoniae
Quellung reaction
tests for fungi
Sabouraud Agar
immunity to diphtheria
schick test
antitoxin reaction to scarlet fever
schultz - carlton rxn
virus culture (viruses obligate intracellular parasites. cannot grow on agar)
tissue culture
serology test. positive for all Rickettsia except Coxiella burnetii (Q fever)
antigen for test = proteus vulgaris
weil felix
typhoid fever test
widal
look for altered epitheliod cells Herpes Zoster and Simplex, also Varicella
Tzank test
