click below
click below
Normal Size Small Size show me how
USMLE
Micro - Lab hints
Question | Answer |
---|---|
Pyoverdin | Pseudomonas aeruginosa |
Pyocyanin | Pseudomonas aeruginosa |
Coagulase positive | Staphylococcus aureus |
Protein A | Staphylococcus aureus |
M protein | Streptococcus pyogenes |
Chocolate agar | Haemophilus influenzae |
Factors X and V | Haemophilus influenzae |
Tellurite plate | Corynebacterium diphtheriae |
Dieterle silver stain | Legionella pneumophila |
Tracheal cytotoxin | Bordetella pertussis |
Alpha-hemolytic | Streptococcus pneumoniae |
Anti-streptolysin O (ASO) | Streptococcus pyogenes |
Filamentous hemagglutinin | Bordetella pertussis |
Lancet-shaped diplococci | Streptococcus pneumoniae |
Gram-negative coccobacilli | Haemophilus influenzae |
Toxic shock syndrome toxin (TSST) | Staphylococcus aureus |
Oxidase positive | Pseudomonas aeruginosa |
Enterotoxin | Staphylococcus aureus |
Exfoliatin (scalded skin syndrome) | Staphylococcus aureus |
Optochin sensitive | Streptococcus pneumoniae |
Bacitracin sensitive | Streptococcus pyogenes |
Spe toxins | Streptococcus pyogenes |
C-substance/CRP | Streptococcus pneumoniae |
Club-shaped bacilli in palisades | Corynebacterium diphtheriae |
Toxin that ADP-ribosylates EF-2 | Corynebacterium diphtheriae, Pseudomonas aeruginosa |
Exotoxin A | Pseudomonas aeruginosa |
Toxin that ADP-ribosylates Gi protein | Bordetella pertussis |
Tumbling motility | Listeria monocytogenes |
IgA protease | Streptococcus pneumoniae, Haemophilus influenzae |
Quellung reaction | Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis |
Iron/cysteine supplement (charcoal-yeast agar) | Legionella pneumophila |
Cold-agglutinin titer | Mycoplasma pneumoniae |
Bacterial membrane contains cholesterol | Mycoplasma pneumoniae |
Fried egg shaped colony | Mycoplasma pneumoniae |
Cord factor | Mycobacterium tuberculosis |
Niacin production | Mycobacterium tuberculosis |