Microbiology MCQs

Page No. 23

CD4 cells recognize the antigens in association with_____________?


aMHC I


bMHC II


cMHC III


dB-cell receptor


View Answer MHC II

T cell matures in______________?


aPayers patch


bLymph node


cThymus


dBusra of Fabricius


View Answer Thymus

Which component of the cell wall is responsible________________?


aRegion I


bRegion II


c Region III


dBoivin antigen


View Answer Region III

Moist heat kills all of the following EXCEPT_______________?


aBrucella


bMycobacterium


cSalmonella


dCoxiella burnetti


View Answer Coxiella burnetti

One of the following statement about statements about sterilization is not true_______________?


aLiquid paraffin → Dry heat


bGlass syringes → Boiling at 169°C for 60 min


cFlash pasteurization of milk → 72° C for 15 seconds, followed quickly by rapid cooling to 13°C for lower


dVaccines → Ethylene oxide



The best method of sterilization of dressing powder is_____________?


aAutoclaving


bHot air oven


cInspissation


dTyndallization


View Answer Hot air oven

Physical sterilization was discovered by__________________?


a Robert Koch


bJoeph Lister


cJohn Hunter


dAlexander flemings


View Answer Joeph Lister

Cleavage of IgG molecule by Papin gives rise to:One Fc fragment and two Fab fragments_______________?


aOne Fc fragment and two Fab fragments


bOne Fc fragment and four Fab fragments


cTwo Fc fragments and two Fab fragments


dTwo Fc fragment and one Fab fragment



The function of IgD is______________?


a Antigen recognition by B cells


bLocalization protection in external secretion


cCompliment activation


dReagin activity



The type of immunoglobulin most commonly increased in multiple myeloma is_______________?


aIgG


bIgA


cIgM


dIgD


View Answer IgG

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