Pathology EMQ

Yasmin Hassen

GI infections

OPTION LIST

A	Agaricus xanthodermus	I	Phytoplancton
B	Ascaris	J	Rota Virus
C	Clostridium Difficile	K	Salmonella enteriditis
D	Escherichia coli	L	Salmonella typhi
E	Entamoeba Histolytica	M	Shigella
F	Helicobacter Pylori	N	Staphlyococcus aureus
G	Hepatitis A	O	Vibrio Cholera
H	Mycobacterium Tuberculosis	P	Yersinia Pestis

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. An in-patient on antibiotics for the last week for pneumonia develops diarrhoea.

2. An accountant develops nausea, vomiting and diarrhoea. He recalls eating an egg cress sandwich from the local deli the previous day.

3. A 2-year old child on a paediatric ward presents with fever and vomiting, and also complains of abdominal discomfort. The father is worried as the child also passed frequent watery diarrhoea over the last day. The ward sister tells you other children on the ward have experienced the same symptoms.

4. A husband and wife just came back from a Nile cruise for their 25^th wedding anniversary. Both complain of diarrhoea- stool culture revealed a gram negative rod that is not part of the natural gut flora.

5. A 45 year old transplant patient who had recently been on an exotic holiday suffers from dysentery. Assessment of 3 separate stool samples reveals cysts shed with the stool.

ANSWERS

1. C

2. K

3. J

4. D

5. E