Pathology EMQ template.

Name: AR

Candidate number:

Theme: Urinary Tract Infection

 

OPTION LIST

 

A	Benzylpenicillin	I	Flagellae
B	Capsule	J	Gentamicin
C	Dysentery	K	Hot-tub folliculitis
D	Endotoxin	L	Lipopolysaccharide
E	Enterobacter sp	M	P-fimbriae
F	Enterococcus faecalis	N	Reiter’s syndrome
G	Erythromycin	O	Vancomycin
H	Escherichia coli	P	Yersinia enterocolitica

 

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

 

1. A 25-year-old woman presents with high fever, loin pain and tenderness. Blood cultures are positive and neutrophil count is 16x10^9/L. Urine dipstick is positive for leukocyte esterase and nitrite. Which antibiotic is the most appropriate?

 

2. A 22-year-old woman presents with dysuria for the past 4 days. Urine dipstick is positive for leukocyte esterase but not nitrite. Which bacteria is the most likely to cause the patient’s infection?

 

3. A 76 year old gentleman is catheterised as had gone into urinary retention. A couple of days later, the patient develops a UTI. Cultures of the urine do not grow pink colonies on MacConkey’s agar, are oxidase-positive and are gram-negative rods. The most likely infectious organism is also associated with which illness?

 

4. A 45 year old man presents with perineal pain, recurrent epididymo-orchitis and prostatic tenderness. Gram-negative rods are present in the urine. Which is the most likely infectious organism?

 

5. During the pathogenesis of an E.Coli UTI which is the most important cell wall structure in promoting colonization?

 

 

ANSWERS

1. J

2. F

3. K

4. H

5. M