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Answer to Question #15459 in Other Biology for Sunita

Question #15459
1. The best definition of antigen is: (Points : 2)
a red or white blood cell
A foreign substance that elicits an immune response
A protein that combines with antibodies
an allergic reaction


2. Macrophages and neutrophils are primary components in which branch of the immune system? (Points : 2)
innate
adaptive


3. B cells are part of which branch of the immune system? (Points : 2)
innate
lymphatic
external
acquired


4. Which of the following is a protein produced by the immune system in response to an infectious agent? (Points : 2)
macrophage
antigen
antibody
riboflavin


5. Immune cells release _______ in order to recruit other immune cells to the site of injury. (Points : 2)
microkines
cytokines
antibiotics
antibodies


6. The Complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway beginning with the activation of: (Points : 3)
C1
C2
C3
C5


7. Macrophages are activated by antigens coated in which Com
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