12 Questions
What is the term that encompasses a variety of clinical entities, including asymptomatic bacteriuria, cystitis, prostatitis, and pyelonephritis?
Urinary tract infection
Which of the following is a characteristic of asymptomatic bacteriuria?
Presence of bacteria in the urinary tract without symptoms
At what age does obstruction from prostatic hypertrophy become common in men, leading to a similar incidence of UTI among men and women?
50 years
Which of the following is a risk factor for acute cystitis?
Recent use of a diaphragm with spermicide
What is a common risk factor for both cystitis and pyelonephritis?
Frequent sexual intercourse
Which of the following is a risk factor for UTI in healthy postmenopausal women?
Sexual activity
What percentage of women who have had one episode of UTI will have recurrent episodes?
20-30%
What is the main reason for increased risk of UTI in uncircumcised men?
E. coli is more likely to colonize the glans and prepuce
What percentage of UTIs are caused by E. coli?
75-90%
What is the function of hemolysin HlyA in E. coli?
It lyses erythrocytes and other cell types
Which of the following bacteria is resistant to all β-lactam antibiotics including carbapenems?
Klebsiella
What is the result of the production of urease by Proteus mirabilis?
Formation of struvite and apatite crystals
Learn about the differences between urinary tract infections (UTI) and asymptomatic bacteriuria (ASB), including their symptoms, diagnosis, and treatment. Understand the various clinical entities under UTI, such as cystitis, prostatitis, and pyelonephritis. Test your knowledge on the presence of bacteria in the urinary tract and its effects.
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