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.Management Sciences
Category: Bacteriology
Staphylococcal food poisoning includes the following features_______________?
A. Incubation period of 24 hours
B. Requires immediate antibiotics
C. Common with dairy products
D. Heat labile enterotoxin
The bacterial cell wall has all of the following properties except______________?
A. It consists of a mixed polymer called peptidoglycon
B. It is the structure principally responsible for the reaction of gram staining
C. It is a unique flexible plastic structure
D. It contains D-isomers of amino acids
Drumstick appearance is seen in______________?
A. Cl. tetani
B. Cl. tetanomorphum
C. Cl. sphenoids
D. All of the above
Bacterial species which is protective or beneficial to the host is_______________?
A. Streptococcus sanguis
B. Porphyromonas gingivalis
C. Treponema denticola
D. Spirochetes
Each of the following viruses possesses an outer lipoprotein envelope except_____________?
A. Varicella Zoster Virus
B. Papilloma Virus
C. Influenza Virus
D. Human immunodeficiency virus
Virulence of Gonococcus is due to___________________?
A. Pili
B. Cell Membrane
C. Its intracellular location
D. Cytolytic enzymes
Malignant pustule is referred to_________________?
A. Facio-cervical actinomycosis
B. Cutaneous anthrax
C. Infected squamous cell carcinoma
D. None of the above
All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?
A. Gram staining
B. Fermentation of mannitol and sorbital
C. Production of intracellular and extracellular adherent polysacharide
D. Colony morphology on saliva agar
Which organism causes prosthetic valve endocarditis within 60 days of surgery________________?
A. Streptococcus Viridans
B. Staphylococcus epidermis
C. Staphylococcus aureus
D. Fungus
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