C:-Lung biopsy specimen typically lacks signs of inflammation
D:-Hydrogen peroxide plays a major role in pathogenesis
Correct Answer:- Option-D
Question68:-All the following are true with regards to Coxiella bumnetii EXCEPT:
A:-Most common mode of transmission is by aerosol route
B:-Endocarditis is a major feature of chronic Q fever
C:-Anti-phase Il IgG titre of > 6400 is diagnostic of chronic Q fever
D:-Doxycycline + hydroxychoroquine is used for treating Q fever
Correct Answer:- Option-C
Question69:-Transovarian transmission in vectors is seen in:
A:-Scrub typhus
B:-Endemic typhus
C:-Epidemic typhus
D:-Trench fever
Correct Answer:- Option-A
Question70:-How do catalase test for mycobacteria differ from that done for other bacteria?
A:-30% 020 2 4 10% Tween 80
B:-1% “"H_20_2"" + Phosphate buffer at pH 6.4%
C:-3% ` ^+ 20 2" + 10% Tween 80
| 20 2" + 0.85% saline
Correct Answer:- Option-A
Question71:-Hair perforation test is positive in
A:-Trichophyton ೪1018೧೧7)
B:-Trichophyton mentagrophytes
C:-Trichophyton audouini
D:-Trichophyton schoenleinii
Correct Answer:- Option-B
Question72:-Mode of infection of Ascaris lumbricoides
A:-Penetration of skin by larva
B:-Autoinfection
C:-Ingestion of eggs
D:-Ingestion of larva
Correct Answer:- Option-C
Question73:-True about microfilariae of Wuchereria bancrofti
A:-Sheathed, nuclei at the tail tip
B:-Sheathed, no nuclei at tail tip
C:-Unsheathed, no nuclei at 1511
D:-Unsheathed and nuclei at tail tip
Correct Answer:- Option-B
007 imorphic fungi causing subcutaneous mycosis
A:-Phialophora verrucosa
B:-Sporothrix schenckii
C:-Fonsecaea pedros:
D:-Cladosporium carrionii
Correct Answer:- Option-B
Question75:-Subtype of human immunodeficiency virus 1 more common in India.
A:-Subtype A
B:-Subtype B
C:-Subtype C
D:-Subtype D
Correct Answer:- Option-C
Question76:-5kin test for diagnosis of hydatid cyst
A:-Casoni's test
B:-Schick test
C:-Dick test
D:-Frei test
Correct Answer:- Option-A
Question77:-Immune complex mediated nephritis is seen in chronic infection with
A:-Plasmodium malariae