530564
Beschreibung
Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312
vor fast 11 Jahre
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Frage 1
Frage
What is MHC?
Antworten
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Presents antigens to T-cell on antigen presenting cells
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Receives antigens from T-cells to antigen presenting cells
Frage 2
Frage
TCR's- T Cell Receptors that detect antigens presented by antigen presenting cells
Antworten
- True
- False
Frage 3
Frage
Presentation of antigens through MCH/TCR activates the T-cell
Antworten
- True
- False
Frage 4
Frage
How to Superantigens work?
Antworten
-
Increase the presentation of antigens by MHC, super-stimulating the T-cells
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Allows MHC/TCR binding without antigen present, super-stimulating the T-cells
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Prevents T cell activation by destroying TCR's
Frage 5
Frage
Why are Superantigens dangerous
Antworten
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They prevent T-Cell activation
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The over-activate T-Cells
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Which causes T-Cells to over-release cytokins, causing shock like symptoms
Frage 6
Frage
Exotoxins are secreted during cell lysis
Antworten
- True
- False
Frage 7
Frage
Which of the following are capable of producing Endotoxins?
Antworten
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Gram +ve
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Gram -ve
Frage 8
Frage
What happens to exotoxins?
Antworten
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They're secreted during cell lysis
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They secreted during normal cell function
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They're expressed on the cell surface
Frage 9
Frage
Exotoxins tend to be produced by Gram +ve bacteria
Antworten
- True
- False
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