Coagulase-negative staphylococci — Flashcards

Flashcard 1: Staphylococcus saprophyticus is coagulase _____

Answer: negative

Flashcard 2: _____ is a -lactamase producing bacteria resistant to penicillin.

Answer: Staph aureus

Flashcard 3: What is used to differentiate between different strains of Staphylococcus?_____

Answer: Coagulase test

Flashcard 4: Staphylococcus aureus is gram _____

Answer: positive

Flashcard 5: What bug commonly causes early endocarditis of prosthetic heart valves?_____

Answer: Staphylococcus epidermidis

Flashcard 6: Staphylococcus epidermidis is catalase _____

Answer: positive

Flashcard 7: Staphylococcus epidermidis is a part of normal _____ flora

Answer: skin

Flashcard 8: What is the Novobiocin sensitivity of Staphylococcus epidermidis?_____

Answer: Sensitive

Flashcard 9: Gas gangrene

Answer: Clostridium perfringens

Extra: alpha toxin causes myonecrosis and hemolysis

Flashcard 10: Clostridium perfringens

Answer: +

Extra: bacillianerobegangrenealpha toxin