Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
Morphology of Staph
|
gm + cocci in clusters
|
|
|
what is beta lactamase
|
penicillinase that confers penicillin resistance to staph that have the coding plasmid
|
|
|
S. aureus virulence factors
|
Catalase
Coagulase Hyluronidase Staphylokinase Lipase Nuclease Penicillinase |
|
|
What does staphylokinase do?
|
digests fibrin clots; this is phage-aquired
|
|
|
S. aureus toxins
|
BADelta toxins, gamma
leukocidin enterotoxins exfoliative toxin tss toxin |
|
|
beta toxin
|
sphingomyelinase C -- degrades sphingomyelin to degrade tissue
|
|
|
alpha toxin
|
alpha hemolysin
|
|
|
delta toxin
|
detergent for degrading cell membranes
|
|
|
leukocidin
|
lyses PMN and macrophage cell membranes
|
|
|
exfoliative toxin
|
protease that clease demoglein
|
|
|
Types of staphylococcus
|
HALES
hemolyticus aureus lugdunensis epidermidis saprophyticus |
|
|
Where is Staph Saphrophyticus found?
|
SkinPeriurethra
Sa Phrophyticus |
|
|
Staph that cause endocarditis
|
S. epidermidis and S. aureus
|
|
|
Diseases caused by S. aureus
|
cutaneous, SSSS, TSS, food poisoning, wound infections, endocarditis, pneumonia, osteomylitis, septic arthritis
|
|
|
resistant to novobiocin and causes UTIs
|
S. saprophyticus
|
|
|
What can S. lugdenesis cause?
|
native valve endocarditis
|
|
|
hyluronidase and lipase
|
cutaneous infections
|
|
|
exfoliating toxin
|
SSSS
|
|
|
enterotoxin
|
food poisoning
|
|
|
What has glycerol techoic acid?
|
S. epidermidis
|
|
|
gram +, catalase +, coagulase +
|
S. aureus
|
|
|
gamma hemolysis, white colonies, coagulase -
|
S. epidermis
|
|
|
novobiocin resistant
|
S. saphrophyticus
|
|
|
all staph are:
|
1) catalase +
2) clustered cocci 3) faculative anaerobes |
|
|
grows in NaCl 7.5%, Beta hemolysis
|
Staph aureus
|
