Self Quiz for Early Induced Innate Immunity: C2. The Complement System

Study the material in this section and then write out the answers to these questions.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.

1. Briefly describe how the classical complement pathway is activated. (ans)

2. Match the following:

_____ Complement proteins that trigger inflammation (ans)

_____ Complement proteins that chemotactically attracting phagocytes to the infection site . (ans)

_____ Complement proteins that promote the attachment of antigens to phagocytes (enhanced attachment or opsonization. (ans)

_____ Complement proteins that cause lysis of Gram-negative bacteria and human cells displaying foreign epitopes. (ans)

a. the membrane attack complex (MAC)

b. C5a. and to a lesser extent, C3a and C4a.

c. C3b, and to a lesser extent, C4b.

d. C5a

3. Briefly describe how the lectin complement pathway is activated. (ans)

4. Briefly describe how the alternative complement pathway is activated. (ans)

5. Multiple Choice (ans)

 


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