Systemic Lupus Erythematosus (SLE), is characterized by immune complexes in serum and the basement membranes of many organs and joints. This involves Polyclonal B-cell activation resulting in increased production of IgM and IgG, which activate complement. Which of the following complement proteins functions as a chemotactic attractant for neutrophils, as well as an anaphylatoxin?
A. C3
B. C3b
C. C4a
D. C5a
Select your answer:
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Phlebotomy › ViewWhat is the purpose of a complete blood count (CBC) test in hematology?
A. To measure bone density
B. To assess lung function
C. The purpose of a complete blood count (CBC) test in hematology is to evaluate overall health, diagnose conditions, monitor treatments, and screen for health issues.
D. To evaluate dental health
Body Systems › View
Which blood vessels carries blood away from the heart?
A. Arteries
B. Veins