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.Management Sciences
Category: Microbiology
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
A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
A. India ink preparation
B. Methanamine silver stain
C. Ziehl-Neelsen stain
D. Pyte-ferraco stain
Which of the following statement about P24 antigen of HIV is Not True ?
A. It can be detected during the window period
B. Free P24 antigen disappears after the appearance of IgM response to it:
C. Virus load parallel P24 titre
D. It remains during asymptomatic phase
Mark true in following ?
A. Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces
B. Kyanasur forest disease is caused by bite of wild animal
C. Lyssa virus is transmitted by ticks
D. None of the above
Cold sterilization refers to the process of sterilization by use of____________________?
A. Ultra violet rays
B. Ultrasonic vibrations
C. Infrared rays
D. Gamma rays
Bacteria acquire characteristics by all the following except_______________?
A. Through plasmids
B. Incorporating part of host DNA
C. Through bacteriophages
D. Through conjugation
Candidal hyphae can be stained using_______________?
A. Van Gieson’s stain
B. Periodic acid schiff stain
C. Masson Trichrome stain
D. Toluidine blue stain
One of the following is a treponemal test for diagnosis of syphilis_____________?
A. FTAB
B. Widal test
C. Wasserman test
D. Kahn test
Best method of sterilizing disposable syringes_______________?
A. Hot air oven
B. U.V. rays
C. Gamma rays
D. Boiling
Which does not have a viral etiology______________?
A. Carcinoma Cervix
B. Hepatoma
C. Nasopharyngeal carcinoma
D. Lymphoma
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