Urinary tract infections Flashcards
1
Q
all UTI bacteria produce nitrites in the urine (nitrite +) except what
A
staphylococcus saprophyticus
2
Q
mneumonic for UTI bacteria
A
KEEPSS klebsiella pneumonia e coli enterococcus faecalis proteus mirabilis serratia marcescens staphylococcus saprophyticus
3
Q
what is the most common bacteria that causes UTI
A
e coli
4
Q
what is the second most common bacteria that causes UTI
A
staphylococcus saprophyticus
5
Q
which bacteria causes UTI and is nitrite and urease positive
A
proteus mirabilis
6
Q
why do some bacteria cause nitrites to be positive in the urine
A
they have a reductase enzyme that reduces the nitrates down to nitrites
staphylococcus saprophyticus does not contain the “nitrate reductase” enzyme
7
Q
what is the most common cause of UTI in young sexually active females
A
staphylococcus saprophyticus
