CSIM - Immunology

csim-immunology-2

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201871

120

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In the classical pathway what is the protease activated by C1q binding to the microbial surface resulting in C42ba binding to the microbial surface ?

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Explanation

CSIM 1.24

201873

120

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In the lectin pathway what is the protease activated by C1q binding to the microbial surface resulting in C42ba binding to the microbial surface ?

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201875

120

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Which molecule of the complement pathway acts as an opsonin for the immune system ?

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201876

120

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In the classical and lectin pathway which molecule is the C3 convertase ?

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189595

120

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What cell type would be located in box X ?

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201885

120

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What is the major C3 convertase in the alternative pathway ?

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Explanation

CSIM 1.24

201893

120

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Which of these is not a function of complement ?

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Explanation

CSIM 1.24: N.B. anaphylotoxins = peptide mediators of inflammation

201907

120

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A defect in the terminal pathway of the complement system can increase the risk of what ?

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201913

120

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A defect in C3 of the complement pathway can lead to increase risk of what infection ?

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201914

120

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A deficiency in the regulatory proteins of factor B and D in the alternative pathway can lead to what ?

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201916

120

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Deficiencies early in the classical pathway can lead to what ?

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189645

120

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Which one of the below is not a feature of specific/adaptive immunity ?

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189646

120

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Select the function of a mast cell.

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189647

120

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Which one of the below features is not a feature of a macrophage ?

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Explanation

Macrophages RELEASE IFN alpha and beta which activate natural killer. T helper cells release IFN-gamma which activates macrophages

189648

120

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What is an epitope ?

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