1. The causative organisms of plague are:
- A. Cocci
- B. Bacilli
- C. Coccobacilli
- D. Nocardia
2. Lymphocytosis in whooping cough occurs due to:
A. Endotoxin by the microorganism
B. Exotoxin by the microorganism
C. Cytokine
D. Histamine-sensitising factor
3. Granuloma inguinale is characterised by the following except:
A. It is caused by Donovan bacilli
B. It is characterised by lymphadenopathy
C. It is a sexually transmitted disease
D. There are neutrophilic abscesses in the dermis
4. Prion proteins are implicated in the etiology of:
A. Spongiform encephalopathy
B. Viral encephalitis
C. Perivenous encephalomyelitis
D. Progressive multifocal leucoencephalopathy
5. Streptococci are commonly implicated in the etiology of the following except:
A. Rheumatic heart disease
B. Glomerulonephritis
C. Breast abscess
D. Subacute bacterial endocarditis
6. Clostridia are implicated in the following except:
A. Botulism
B. Necrotising enterocolitis
C. Bacillary dysentery
D. Pseudomembranous colitis
7. Fungi in general can be identified by the following stains except:
- A. Silver stain
- B. Periodic acid Schiff
- C. Giemsa
- D. Mucicarmine
8. Mosquito-borne viral haemorrhagic fever include the following examples except:
- A. Dengue fever
- B. Yellow fever
- C. Rift Valley fever
- D. Kyasanur Forest fever
9. Dengue haemorrhagic fever is characterised by following laboratory findings except:
- A. Leucopenia
- B. Lymphocytosis
- C. Decreased haematocrit
- D. Thrombocytopenia
10. Granuloma inguinale and lymphogranuloma venereum are similar in following aspects, except:
A. Both are sexually transmitted diseases
B. Both are caused by bacteria
C. Both are characterised by lymphadenopathy
D. Both begin as lesions on genitals
11. Necrotic lesions of Entamoeba histolytica are due to:
A. Cyst stage
B. Trophozoite stage
C. Both cyst and trophozoites
D. Neither cysts nor trophozoites
12. P. falciparum differs from other plasmodia in following aspects except:
A. It does not have exoerythrocytic stage
B. It parasitises only juvenile red cells
C. It causes malignant malaria
D. One red cell may contain more than one parasite
13. In the case of SARS in human beings, the mode of infection is:
- A. From mosquito
- B. Person to person
- C. Poultry birds
- D. Domestic dogs
14. Swine flu influenza virus is:
- A. H5N1
- B. H1N1
- C. H5N2
- D. H1N2
15. Chikungunya is transmitted to humans by:
- A. Aedes
- B. Anopheles
- C. Culex
- D. Tick
Answers Key
1) = C, 2) = D, 3) = B, 4) = A, 5) = C, 6) = C, 7) = C, 8) = D, 9) = C, 10) = C, 11) = B, 12) = B, 13) = C, 14) = B, 15) = A