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.Management Sciences
Category: Bacteriology
Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
A. Bacteroides fragilis
B. Fusobacterium nucleatum
C. Peptostreptococcus anaerobius
D. Actinomyces Israeli
E. All of the above
An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?
A. Escherichia coli
B. Klebsiella pnemoniae
C. Proteus miribilis
D. Pseudomonas aeruginosa
Group A carbohydrate of Str. pyogenes cross reacts with human_________________?
A. Synovial fluid
B. Myocardium
C. Cardiac valves
D. Vascular intima
Cough plate method is used to identify________________?
A. Y. pestis
B. Pertussis
C. Mycoplasma
D. M-Tuberculosis
All are true about bordetella pertussis except______________?
A. Most common cause is B. Petrussis
B. It may occur in children and young adult after vaccination
C. Bacteria culture from nasopharyngeal swab is the definitive diagnosis
D. Presence of antibodies in serum in diagnostic of the disease
Actinomycetes is______________?
A. Gram positive bacteria
B. Gram negative bacteria
C. Fungus
D. A yeast like form
Endotoxin have all but one of the properties given below_______________?
A. Produced by gram negative bacteria
B. Produced by gram positive bacteria
C. Not secreted outside the cell
D. Cannot be toxoided
Causative organism for gas gangrene_______________?
A. Clostridium tetani
B. Clostridium welchii
A. Coli
C. Strep. Faecalis
The most common site where organisms are present in a typhoid carrier is______________?
A. Spleen
B. Gall Bladder
C. Liver
D. Salivary gland
Following are the characteristics of Vincent’s angina EXCEPT_______________?
A. Ulcerative gingivostomatitis
B. Caused due to malnutrition
C. A symbiotic infection
D. Caused by leptospira interrogans
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