What Is the Primary Purpose of the Vascular Changes in an Invaded

Multiple Choice

What is the primary purpose of the vascular changes in an invaded or injured area?

A) They produce swelling, redness, heat, and pain.
B) They bring to the affected area phagocytes and plasma proteins that defend against the offending agent.
C) They produce pus.
D) They exert an anti-inflammatory effect to protect against damage by potentially overreactive defence mechanisms.