Microbiology MCQs

Page No. 19

Immunoglobulins ar secreted by______________?


aMacrophages

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bPlasma cells

✓


c T-cells

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dNeutrophils

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View Answer Plasma cells

Serum sickness syndrome is an example of________________?


aAnaphylactic

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bAngioneurotic edema

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cCell-mediated immunity

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dSystemic arthus reaction

✓



Secretory Ig is_______________?


aIgA

✓


b IgE

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cIgM

✖


d IgD

✖


View Answer IgA

The binding site for complement on the IgG molecule is in the________________?


aVL domian

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bCL domian

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cCH1 domian

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dCH2 domian

✓


View Answer CH2 domian

The immediate type of hypersensitivity in which histamine doses not play a major role is______________?


aUrticaria

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bAsthma

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cAnaphylaxis

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dArthus reaction

✓


View Answer Arthus reaction

Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?


awall

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bnucleus

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cmembrane

✓


dCapsule

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View Answer membrane

Endotoxins differ from exotoxins in that endotoxins______________?


aare protein

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bare heat labile

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care highly antigenic

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dactivate complement by the alternate pathway

✓



Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?


ausing Bacillus stearo thermo philus

✓


bUsing non-pathogenic strain of clostridium tetani

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c Using chemical indicator

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dUsing methylene blue

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B.C.G untrue is_____________?


alive vaccine

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b T.B vaccine

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cOrally administered

✓


dAll of the above

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View Answer Orally administered

First released immunoglobulin after primary immunization_______________?


aIgD

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b IgE

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cIgG

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dIgM

✓


View Answer IgM

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