Gram + and Gram - Cocci Flashcards
Dr. Kaul
Staphylococci, Streptococci, and Enterococci are all Gram _____
Positive
3 Main Gram + Cocci
- Staphylo
- Strepto
- Entero
When comparing Staph and Strepto with a catalase test, you would expect _____ to bubble because they express Catalase
Staph
Staff members drink that bubbly
Two types of Staph
- Coagulase positive
2. Coagulase Negative
Staph _____ is Coagulase positive
Aureus
The bacteria _____ _____ anti-opsonizes with Protein A binding the Fc region, Cytotoxins to wreck cell membranes, and Superantigen Exotoxins to over-activate T-cells
S. Aureus
The most common clinical presentation of Staphylococcal infections is _____
Skin & Soft Tissue Infections (SSTIs)
Desquamation is a common clinical outcome of the exotoxin _____ produced by S aureus
TSST-1
_____ is first line treatment for MRSA infections
Vancomycin
Staph _____ is frequently involved in Catheters or IV lines
Epidermidis
To distinguish Staph Epidermidis from Saprophyticus you would realize that Saprophyticus is resistant to _____
Novobiocin
Staph _____ normally causes UTIs and cystitis in women
Saprophyticus
Blood plate Beta-Hemolysis
Complete Erythrocyte destruction showing yellow
Blood plate Alpha-hemolysis
Partial Erythrocyte destruction showing green
Blood plate Gamma-Hemolysis
No Hemolysis