Travel/Tropical Infections

Question 1

The following clinical presentation is typical of which infection?
Fever
Arthralgia
Rash
Retro-orbital pain/photophobia
Aedes mosquito transmission (mostly during the day)

Answer 1

Dengue fever

Question 2

What is the classic triad of malaria?

Answer 2

Spiking fevers
Anaemia
Splenomegaly

Question 3

How is malaria diagnosed?

Answer 3

Thick and thin blood smears
Thin: better for species identification
Thick: determines presence of parasites

Question 4

What organism cause malaria?

Answer 4

Plasmodium Falciparum

Question 5

What vector carries malaria?

Answer 5

Anopheles mosquito

Question 6

What disease causes Dengue fever?

Answer 6

Dengue virus

Question 7

West Nile Virus causes which disease process?

Answer 7

West Nile Encephalitis

Question 8

What is the vector for West Nile virus?

Answer 8

Culex mosquito

Question 9

What organism causes Lyme disease?

Answer 9

Borrelia burgdorferie

Question 10

Yersinia Pestis causes what disease process?

Answer 10

Plague

Question 11

What causes Yellow fever?

Answer 11

Flavivirus

Question 12

What will liver biopsy show in severe Yellow fever?

Answer 12

Mid zone necrosis with eosinophilic degranulation of hepatocytes

Question 13

Mortality rate of Yellow Fever?

Answer 13

40%