Following are the characteristics of Vincent’s angina EXCEPT ?
A. A symbiotic infection
B. Caused by leptospira interrogans
C. Ulcerative gingivostomatitis
D. Caused due to malnutrition
MICRO BIOLOGY
Microbiology MCQs with answers for medical students. Micro biology MCQ questions with answers for online tests.
Pathogenesis of diphtheria is attributed to ?
A. Exotoxin
B. Capsule
C. Invasion
D. Endotoxin
Leptospirosis, all are true except ?
A. Incubation period is 10 days
B. It is sensitive to penicillin
C. Faeces & urine of rodents is the cause
D. Onset of IgM in 2 days
Lepromin test is useful for ?
A. Treatment plan
B. Epidemiology
C. Diagnosis
D. Prognosis
About Psedomonas. All are true except ?
A. Can grow in disinfectants in hospital
B. Most common organism is burn patient
C. Strick aerobes
D. Infection is mostly due to endogenous source
Salivary peroxidise system is known to be effective agianst ?
A. Streptococcus mutans
B. Veilonella parvula
C. Lactobacillus acidophilus
D. Actinomyces viscosus
Negative staining is used to demonstrate ?
A. Bacterial capsule
B. Bacterial fimbriae
C. Bacterial spore
D. Bacterial Flagella
Most common pathogens responsible for nosocomial pneumonias in the ICU are ?
A. Mycoplasma
B. Virus infections
C. Gram negative organisms
D. Gram positive organisms
Test for differentiating virulent form non-virulent tubercular bacilli ?
A. Niacin test
B. Catalase peroxidase test
C. Aryl sulphatase test
D. Neutral red test
Cough plate method is used to identify ?
A. Pertussis
B. M-Tuberculosis
C. Y. pestis
D. Mycoplasma