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.Management Sciences
Category: Bacteriology
Mycobacterium tuberculosis is best demonstrated by_________________?
A. Gram’s stain
B. H & E stain
C. Ziehl-Neelsen stain
D. PAS stain
Erysipelas is caused by________________?
A. Group B staphylococci
B. Group A steptococci
C. Gonococci
D. Pneumococci
The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?
A. Scanning microscope
B. Inverted microscope
C. Dark ground microscope
D. Electron microscope
The single most important laboratory test for determining the virulence of staphylococci is___________?
A. Mannitol fermentation
B. Hemolysis of sheep erythrocytes
C. Detection of coagulase
D. The catalase test
which of the following is anaerobic_______________?
A. E.coli
B. Bacteroides
C. Pseudomonas
D. Klebsiella
Bacteria with potent exotoxin is_______________?
A. Clostridium tetani
B. Pseudomonas
C. Shigella
D. Klebsiella
Which is not true about vibrio cholera_________________?
A. It is non-halophilic
B. Grows on simple media
C. Man is the only natural host
D. Cannot survive in extracellular environment
Which regards to temperature requirement, most pathogenic bacteria are_____________?
A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles
Organism most frequently associated with urinary tract infections is_________________?
A. Neisseria gonorrhea
B. Escherichia coli
C. T-strain mycoplasma
D. Streptococcus fecalis
Culture medium for corynebacterium diphtheria______________?
A. Loefflers serum slope
B. Mc Conkey
C. Saborauds agar
D. Lowenstein Jensen Medium
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