A. Shigella sonnei
B. Salmonella typhi
C. Proteus mirabilis
D. Klebsiella pneumonia
Related Mcqs:
- Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?
A. Cocci
B. Spirochetes
C. Bacteriophages
D. Filamentous rods - 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 - All of the following organisms are known to survive intracellularly except_____________?
A. Neisseria meningitides
B. Salmonella typhi
C. Streptococcus pyogenes
D. Legionella pneumophila - Which of the following organisms are arranged in cubical packets of eight cocci________________?
A. Staphylococcus
B. Micrococcus
C. Sarcina
D. Aerococcus - Which of the following organisms does NOT react with gram’s stain ?
A. Actinomyces israelii
B. Candida albicans
C. Mycobacterium tuberculosis
D. Streptococcus mutan - The most common site where organisms are present in a typhoid carrier is______________?
A. Spleen
B. Gall Bladder
C. Liver
D. Salivary gland - Which of the following organisms is found in deep carious lesions rather than in incipient lesions ?
A. Streptococci
B. Lactobacilli
C. Veillonella
D. Bateroides - All are not true for cultivation of anaerobic organisms except_______________?
A. Incubator
B. anaerobic jar
C. Refrigerator
D. Centrifuge - Mesophilic organisms are those that grow best at temperature of______________?
A. -20°C to -7°C
B. -7°C to + 20°C
C. 25°C to 40°C
D. 55°C to 80°C - Antibiotic sensitivity and resistance of micro organisms is determined by________________?
A. Direct microscopy
B. Culture
C. ELISA
D. DNA probe
