Gram-positive — Flashcards

Flashcard 1: Gas gangrene

Answer: Clostridium perfringens

Extra: alpha toxin causes myonecrosis and hemolysis

Flashcard 2: Clostridium perfringens

Answer: +

Extra: bacillianerobegangrenealpha toxin

Flashcard 3: Clostridium botulinum

Answer: +

Extra: bacillianerobebotulism, floppy baby syndromebotulinum toxin

Flashcard 4: Clostridium tetani

Answer: +

Extra: bacillianerobetetanustetanospasmin

Flashcard 5: _____, _____, and _____ are important spore-forming Gram-positive bacteria found in soil.

Answer: Bacillus anthracis

Flashcard 6: diptheria

Answer: Corynebacterium diptheriae

Extra: exotoxin inhibits protein synthesispseudomembraneous pharyngitis, lymphadenopathy, myocarditis, arrhythmias

Flashcard 7: Cornyebacterium diptheriae

Answer: +

Extra: bacilliblack colonies on cystine-tellurite agardiptheria

Flashcard 8: Streptococcus bovis

Answer: +

Extra: coccusnone-growth on bile, not 6.5% NaClbacteremia, subacute endocarditis in colon cancer patients

Flashcard 9: Enterococcus faecalis/faecium

Answer: +

Extra: coccinone-growth in both 6.5% NaCl and bileUTI, biliary tract infection, subacute endocarditis

Flashcard 10: Streptococcus agalactiae

Answer: +

Extra: coccibeta-bacitracinmainly in neonates: pneumonia, meningitis, sepsis