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A subset of which of the following is a down regulator of IL-1ɑ and IL-1β?  

Which of the following promotes the differentiation of a naïve T cell into a Th2 cell: 

Which of the following cytokines main function is to inhibit viral replication?  

Complement is a protein that is inactive until it is either cleaved, modified, or added to a protein complex. This type of protein is known as a(n):

A macrophage excretes IL-12 upon ingesting a microbe. This influences a Naïve T cell in close proximity to differentiate into an effector Th1 cell. This would be an example of which target effect:  

Which of the following is true regarding IL-6?  

Which of the following is a direct result of a cytokine binding to a receptor on the cell surface of a target cell:  

Which of the following is/are a function of complement proteins: (select all that apply)

C3b has higher affinity to Factor H when it is bound to the cell surface compared to when it is not bound to a cell surface. 

Which of the following is the C3 convertase of the mannose binding pathway?