1. Why do most synthetic polymers illicit a much smaller immune response than natural polymers? (10pts) 2. You are testing a new type of coating for pacemaker control units in a rat inflammation model. You take a sample of the fluid near the implant one week after implantation and count the cells present. 50% of the nucleated cells are macrophages, 30% are neutrophils, and 20% are fibroblasts. Is this considered a promising result at this stage? Explain why (15pts)