Pathology EMQ template

 

Name:

Candidate number: CID - 467740

Theme: Pathology of infection

 

OPTION LIST

A	Campylobacter jejuni	I	Salmonella typhi
B	Clostridium difficile	J	Staphylococcus aureus
C	Clostridium perfringens	K	Streptococcus pneumonie
D	Escherichia coli	L	Streptococcus pyogenes
E	Helicobacter pylori	M	Vibrio cholera
F	Mycobaterium tuberculosis
G	Neisseria meningitidis
H	Salmonella enteritidis

 

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 traveller returns from India with a 4-day history of profuse watery diarrhoea, which she describes as ‘rice water’. She also complains of vomiting. Stool microscopy reveals curved, gram-negative bacillae.

 

 

2. A 28-year-old woman complains of frequency and dysuria. A midstream urine sample is sent for analysis. Gram stain reveals gram negative bacilli and neutrophils. Urine culture demonstrates lactose fermenting colonies.

 

 

3.  A gram-positive coccus that is a common cause of meningitis in adults

 

 

4. An 80-year-old lady is re-admitted to hospital after developing profuse, offensive, watery diarrhoea. She had previously been treated for recurrent chest infections. A stool sample is collected and diagnosis is confirmed by a cytotoxicity assay.

 

 

5. A 52-year-old man presents with a 7-month history of burning epigastric pain that is relieved by food. Last week he had an episode of vomiting ‘coffee grounds’. Endoscopy reveals a lesion in the duodenum. A camplyobacter-like organism (CLO) test is positive.

 

 

ANSWERS

1. M

2. D

3. K

4. B

5. E