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


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


cThe patient should be given tetanus toxoid intravenously


dCauses positive Nagler reaction



Actinomycosis is a_________________?


aAerobic bacterial disease


bAnaerobic bacterial disease


cAerobic fungal disease


dAnaerobic fungal disease



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


aVaricella Zoster Virus


bPapilloma Virus


cInfluenza Virus


dHuman immunodeficiency virus


View Answer Papilloma Virus

All are true about legionella pneumophilia except______________?


aAquatic bodies are main habitat


bIt can replicate in amoeba


cUrine test is a reliable method


d Person to person transmission



The predominant immunoglobulin in saliva is_______________?


a IgA


bIgD


cIgE


dIgG


View Answer IgA

Steam under pressure in used in ________ sterilization?


aPasteurization


bAutoclave


cKochs sterilizer


dhot air oven


View Answer Autoclave

The chemotactic factor is______________?


aC2a


b C3b


cC4a


d C5a


View Answer C5a

Example of immune complex hyper-sensitivity reaction is______________?


aAtopic allergy


b Serum sickness


cTransfusion reaction


dContact dermatitis


View Answer Serum sickness

The best sterilization method for a hand-piece is________________?


aEthylene oxide gas


bdry heat


cchemical vapour


dAll of the above


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


b15 minutes


c30 minutes


d60 minutes


View Answer 3 minutes

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