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USMLE

Micro - Lab hints

QuestionAnswer
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
Created by: Asclepius