Name: Sandy Ghattas

Theme: GI Infections

 

OPTION LIST

 

A	Bacillus cereus	I	Norovirus
B	Campylobacter jejuni	J	Rotavirus
C	Clostridium difficile	K	Salmonella typhi
D	Cryptosporidium	L	Staphylococcus aureus
E	Entamoeba histolytica	M	Vibrio cholerae
F	Escherichia coli	N
G	Giardia lamblia	O
H	Mycobacterium avium-intracellulare	P

 

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

 

1. A patient chronically using proton pump inhibitors presents with ascending paralysis, with no significant past medical history other than a bout of diarrhoea a week ago.

 

 

2. A 3-year-old boy is brought into hospital with vomiting, watery-diarrhoea and a fever. Infection, by this pathogen, in adults is uncommon due to acquired immunity.

 

 

3. An elderly gentlemen treated for pneumonia with IV antibiotics develops a fever and mild diarrhoea.

 

 

4. A patient with HIV (with a very low CD4⁺ count) presents with symptoms of malabsorption and diarrhoea – stool was negative for oocysts.

 

 

5. A couple returns from a holiday in Europe complaining of early satiety, steatorrhoea, and malodourous, and excessive flatus. 

 

ANSWERS

1. B

2. J

3. C

4. H

5. G