Which of the following statements regarding complement is true? a.)Complement re

Question

Which of the following statements regarding complement is true?

a.)Complement refers to a protein that is present in blood in an inactive form

b.)Activated complement can form a membrane attack complex, which causes lysis of microbes

c.)Activated complement stimulates cells to secrete chemicals that cause vasoconstriction

d.)Both complement refers to a protein that is present in blood in an inactive form and activated complement can form a membrane attack complex, which causes lysis of microbes are true

e.)All of the choices are true

Explanation / Answer

Ans (e part) all of the choices are true

Complement is a part of immune system which clears microbes and damaged cells. It consists of small inactive protiens found in blood and activated by cascade of reaction to attack cell membranes of microbes and kill them.

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