261. ASO (Antistreptolysin 0) test is uesd for the diagnosis of________________?
A. Rheumatoid arthritis
B. Typhoid fever
C. Rheumatie fever
D. Rickettsial fever
✅ The correct answer is option Rheumatie fever.
Microbiology MCQs
262. The commonly used fluorescent dye in the detection of tubercie bacilli________________?
A. Acridine orange
B. Thioglavin
C. Congo red
D. Auramine and Rhodamine
✅ The correct answer is option Auramine and Rhodamine.
263. Hydatid cyst is__________________?
A. Parasitic in nature
B. Fungal
C. Congenital
D. Viral
✅ The correct answer is option Parasitic in nature.
264. Donovanosis, true is___________________?
A. Caused by Calymmatobacterium granulomatis
B. Lymphadenopathy is remarkable & diagnostic
C. Penicillin is drug of choice
D. Characterized by painful genital ulcers
✅ The correct answer is option Caused by Calymmatobacterium granulomatis.
265. Borrelia vincenti is always associated with______________?
A. Spirochaetes
B. Fusiform bacilli
C. Treponema vincenti
D. None of the above
✅ The correct answer is option Fusiform bacilli.
266. Injection abscesses due to use of contaminated vaccines occurs in infections caused by_______________?
A. M. Kansasii
B. M. ulcerans
C. M. chelonae
D. M. smegmatis
✅ The correct answer is option M. chelonae.
267. CD4 count in normal healthy adult is_______________?
A. 500
B. 200
C. 1000
D. 300
✅ The correct answer is option 1000.
268. Which is type II hypersensitivity ?
A. Anaphylaxis
B. Delayed hypersensitivity
C. Immune complex mediated
D. Cytotoxic / cytolytic type
✅ The correct answer is option Cytotoxic / cytolytic type.
269. Pseudomonas aeruginosa_________________?
A. Produces heat stable enterotoxin
B. Causes Shangai fever
C. Cannot be destroyed at 55 degree at 1 hr.
D. Does not produce any pigment
✅ The correct answer is option Causes Shangai fever.
270. ELISA test when compared to western blot technique is______________?
A. Less sensitive less specific
B. More sensitive, more specific
C. Less sensitive, more specific
D. More sensitive, less specific
✅ The correct answer is option More sensitive, less specific.