Which of the Following Most Accurately Describes How Foreign Substances

question 119

Multiple Choice

Which of the following most accurately describes how foreign substances can activate complement?

• A)Antibodies can bind to foreign antigens and activate complement through the classical pathway.
• B)Foreign substances can bind to spontaneously activated C3 and stabilize it.
• C)Foreign proteins bind to C1 and activate it.
• D)Foreign proteins are phagocytized by macrophages and directly activate complement.
• E)Antibodies can bind to foreign antigens and activate complement through the classical pathway and foreign substances can bind to spontaneously activated C3 and stabilize it.