QuestionSBA
QuestionChoice
Group B streptococci have been isolated and identified as a causative organism for uncomplicated UTIs in some women. However, this is a lot less common than E. coli.
10027899
d
Group B streptococci
QuestionChoice
*Staph. aureus* is a commensal of the skin. It therefore has the potential to ascend the urethra and cause cystitis, but this is relatively uncommon.
10027900
e
*Staphylococcus aureus*
QuestionChoice
Klebsiella species are also commensals on the colon so can cause UTIs if they ascend the urethra and reach the bladder to cause cystitis. This is less common than E. coli however.
10027897
b
*Klebsiella species*
QuestionChoice
*E. coli* is identified as the causative organism in 70-95% of UTI cases. As E. coli is a colonic commensal bacteria, it is thought that it ascends the urethra to reach the bladder and causes cystitis. The female urethra is shorter than the male, so women are more likely to get urinary tract infections.
10027896
a
*Escherichia coli*
QuestionChoice
Candida is the main cause of fungal UTIs, but these typically only happen in patients who are immunocompromised for whatever reason. Hence, it is unlikely to be the case for an immunocompetent young woman. A simple E. coli UTI is much more likely.
10027898
c
*Candida albicans*
Concept
Chapter
2693
4613
Urinary tract infection
Topic
162
General practice
17977
What is the most common causative organism of a bacterial urinary tract infection (UTI) in a 23-year-old woman who is normally fit and well?
a