Final Answer:
The synthetic mesh that is least inert among the options is the one that exhibits a higher likelihood of eliciting a biological response or reaction within the body.
Step-by-step explanation:
In the medical context, the term "inert" refers to the ability of a material to remain stable and not induce a significant biological response. When considering synthetic meshes used in surgical procedures, the goal is often to minimize adverse reactions or complications. A mesh that is "least inert" implies a higher reactivity, potentially leading to inflammatory responses or other complications. Surgeons and medical professionals typically aim to choose synthetic meshes with a high level of biocompatibility to minimize the risk of adverse effects and promote successful surgical outcomes.