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UTI MCQ 1

Created: 10/12/2007
Updated: 11/1/2008

 

1 What was Kass’s proposed criteria for urinary tract infection?

A > 101 bacteria/ml
B > 102 bacteria/ml
C > 103 bacteria/ml
D > 104 bacteria/ml
E > 105 bacteria/ml

2 What was Stam’s proposed criteria for urinary tract infection?

A > 101 bacteria/ml
B > 102 bacteria/ml
C > 103 bacteria/ml
D > 104 bacteria/ml
E > 105 bacteria/ml

3 Which of the following types of adhesion molecules is associated with pyelonephritis in the general population?

A Type I mannose sensitive
B Dr adhesin
C Type S pili
D Type II mannose resistant
E F adhesin

4 36 year old man has symptoms of prostatitis, his 4 glass localisation test reveals WBC’s in VB3. What is the type of prostatitis?

A Type IV
B Type IIIa
C Type IIIb
D Type II
E Type I

5 What is the first 10mls of urine collected after prostatic massage known as?

A EPS
B VB3
C VB2
D Midstream urine
E VB1

6 Which of the following is not one of the defining factors of the systemic inflammatory response syndrome (SIRS)

A Temperature >38 o C
B Respiratory rate >20 breaths/minute
C White cell count > 15000cells/mm3
D Pulse > 90 beats/minute
E PaCO2 < 4.3kPa

7 What is staphylococcus saprophyticus?

A Gram negative cocci
B Anaerobic Gram positive bacilli
C Aerobic Gram negative bacilli
D Gram positive cocci
E Anaerobic Gram negative bacilli

8 What proportion of hospital-acquired UTI’s are caused by E-coli?

A 40%
B 50%
C 65%
D 75%
E 85%

9 Which of the following is not a recognised side-effect of trimethoprim?

A Tendon damage
B Rash
C Worsening hyperkalaemia in patients with renal failure
D Folate deficiency
E Stevens-Johnson syndrome

10 Which of the following is not a recognised cause of epididymo-orchitis?

A E-coli
B Chlamydia trachomatis
C N. gonorrhoeae
D Mycobacterium TB
E Amlodipine

Answers

1 E > 105 bacteria/ml
After measuring bacterial counts in women with pyelonephritis and controls Kass proposed contamination can be distinguished from true UTI by a threshold of > 105 bacteria/ml

2 B > 102 bacteria/ml
Stam re-evaluated this by examining women with symptoms of UTI and concluded > 102 bacteria/ml was the best criteria with a positive predictive value of 0.88

3 D Type II mannose resistant
Type II mannose resistant pili are associated with pyelonephritis. Type I mannose sensitive are associated with lower urinary tract infections, Dr adhesion is associated with paediatric UTI and pyelonephritis in pregnancy, and Type S pili are associated with bacterial dissemination

4 B Type IIIa inflammatory chronic pelvic pain syndrome, according to the NIH classification

5 The first 10mls of urine collected after prostatic massage is known as VB3. The 4 glass Stamey localisation test includes VB1-1st 10mls of urine, VB2-MSU, VB3-1st 10mls after prostatic massage and EPS-expressed prostatic secretions

6C SIRS is defined as 2 or more of the following

Temperature >38 o C or <36 o C
Respiratory rate >20 breaths/minute or PaCO2 < 4.3kPa
White cell count > 12000cells/mm3 or <4000cells/mm3
Pulse > 90 beats/minute

7D Staphylococcus saprophyticus causes approx 10% of symptomatic UTI’s in young women

8B E-coli is responsible for 50% of hospital-acquired UTI’s and 85% of community-acquired UTI’s

9A Tendon damage is a recognised complication of treatment with flouroquinolones

10E Amiodarone not amlodipine is a rare cause of epididymo-orchitis


ArticleDate:20071210
SiteSection: Article
 
   
    
                                            



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