Question

What is the role of complement system in the body's defence?

• A. It interferes with viral replication
• B. It is involved with antibody production
• C. It aids antigen presentation
• D. It cause pathogen lysis

Answer 1

The correct option is D It cause pathogen lysis

• The complement system is a part of the body's defence system that enhances the ability of antibodies and phagocytic cells to remove the microbes and damaged cells from an organism, it also promotes inflammation, attacks the pathogen's cell membrane.
  
• So, the correct answer is 'It causes pathogen lysis'.