Multiple choice What role does secreted phospholipases A2 play in immune system? Development of B and T lymphocytes Attraction of lymphocytes to infected site Chemoattractant Inflammation Reveal answer Fill a bubble to check yourself D Correct answer Explanation sPLA2 (Secreted phospholipases A2) have been shown to promote inflammation in mammals by catalysing the first step of the arachidonic acid pathway by breaking down phospholipids.