Which of the following is characteristic of complement components? 

Which of the following pathways is Magnesium dependent? 

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

Which of the following is considered the most potent anaphylatoxin. It has a wide range of actions and acts on phagocytic cells, endothelial cells, neutrophils, and mast cells. 

2. The elbow is proximal to the shoulder.

A number of cytokines, such as IL-2, IL-4 and IL-5, have the capability to induce B-cell proliferation by themselves. This example best describes:

8. The epigastric region is superior to the umbilical region.

13. The anatomical position is characterized by all of the following EXCEPT ________.        

Match the following complement pathways with how they are initiated. 

Which of the following cytokines is/are a component of the innate immunity (select all that apply):