Infectious diseases

Question 1

Paralysis after eating canned food

Answer 1

Botulism

Question 2

Pseudohyphae

Answer 2

Candida

Question 3

Owl’s eye intranuclear inclusions

Answer 3

CMV

Question 4

Fever + skin rash + retro-orbital headache after visiting north Queensland

Answer 4

Dengue fever

Question 5

Rash + flu-like symptoms + lymphadenopathy + neurological changes

Answer 5

Lyme disease

Question 6

Inclusion bodies

Answer 6

Malaria

Question 7

Kernig’s sign + Brudzinski’s sign

Answer 7

Meningitis

Question 8

Erythematous/violaceous cutaneous lesions

Answer 8

Kaposi’s sarcoma

Question 9

Spindle cells surrounding slit-like vascular spaces

Answer 9

Kaposi’s sarcoma

Question 10

Constitutional symptoms + urticaria + eosinophilia after contact with fresh water

Answer 10

Schistosomiasis

Question 11

Diarrhoea + weight loss + joint pain

Answer 11

Whipple’s disease

Question 12

PAS positive macrophages

Answer 12

Whipple’s disease

Question 13

Atypical mononuclear cells

Answer 13

EBV

Question 14

Severe diarrhoea in HIV patient

Answer 14

Cryptosporidium parvum

Question 15

Meningitis in HIV patient

Answer 15

Cryptococcus neoformans

Question 16

Encephalitis in HIV patient

Answer 16

Toxoplasmosis

Question 17

HHV-8

Answer 17

Kaposi’s sarcoma

Question 18

Rose spots

Answer 18

Typhoid fever

Question 19

Dry wart-like hyperpigmented skin lesions

Answer 19

Kala azar

Question 20

Biphasic fever

Answer 20

Dengue fever

Question 21

Widal’s test

Answer 21

Typhoid fever

Question 22

Faget sign (fever + bradycardia)

Answer 22

Typhoid fever

Question 23

p24 antigen

Answer 23

HIV

Question 24

Fever in cave explorer

Answer 24

Histoplasmosis

Question 25

Cottage cheese and tomato sauce appearance of retina

Answer 25

CMV retinitis

Question 26

Koplik's spots

Answer 26

Measles

Question 27

India ink stain of CSF

Answer 27

Cryptococcus

Question 28

Heterophile antibody test

Answer 28

EBV (=monospot test)