Microbiology MCQs

Page No. 16

Which of the following is true about tetanus acquired through traumatic wound ?


aClostridium tetani travels via the nerves to the anterior horn dells in spinal cord

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b The tetanospasmin component of the exotoxin act on the post-synaptic neurones and prevents impulse transmission

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cThe patient should be given tetanus toxoid intravenously

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dCauses positive Nagler reaction

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Actinomycosis is a_________________?


aAerobic bacterial disease

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bAnaerobic bacterial disease

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cAerobic fungal disease

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dAnaerobic fungal disease

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Each of the following viruses possesses an outer lipoprotein envelope except_____________?


aVaricella Zoster Virus

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bPapilloma Virus

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cInfluenza Virus

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dHuman immunodeficiency virus

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View Answer Papilloma Virus

All are true about legionella pneumophilia except______________?


aAquatic bodies are main habitat

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bIt can replicate in amoeba

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cUrine test is a reliable method

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d Person to person transmission

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The predominant immunoglobulin in saliva is_______________?


a IgA

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bIgD

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cIgE

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dIgG

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View Answer IgA

Steam under pressure in used in ________ sterilization?


aPasteurization

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bAutoclave

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cKochs sterilizer

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dhot air oven

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View Answer Autoclave

The chemotactic factor is______________?


aC2a

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b C3b

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cC4a

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d C5a

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View Answer C5a

Example of immune complex hyper-sensitivity reaction is______________?


aAtopic allergy

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b Serum sickness

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cTransfusion reaction

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dContact dermatitis

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View Answer Serum sickness

The best sterilization method for a hand-piece is________________?


aEthylene oxide gas

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bdry heat

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cchemical vapour

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dAll of the above

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View Answer Ethylene oxide gas

The minimum time required for the sterilization of surgical instruments by moist heat at 134°C is__________________?


a 3 minutes

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b15 minutes

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c30 minutes

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d60 minutes

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View Answer 3 minutes

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