Staphylococci and Streptococci Flashcards
1
Q
What is the coagulase reaction?
A
It is the clotting of blood plasma by staphylococci
2
Q
What is the coagulase positive staphylococcus?
A
S.aureus
3
Q
What is the most pathogenic staphylococcus?
A
S.aureus
4
Q
How many coagulase negative staphylococci exist?
A
Over 30
5
Q
Which staphylococci commonly infect the nares?
A
S.aureus, S.epidermidis
6
Q
What staphylococcus is a common skin commensal?
A
S.epidermidis
7
Q
What infection does Staphylococcus saprophyticus commonly cause?
A
UTI
8
Q
Are staphylococci gram positive or negative?
A
Positive
9
Q
In what arrangement do staphylococci usually grow?
A
They grow in clusters, pairs and occasionally in short chains.
