”
Battling the EnemyLike his father and grandfather before him, Ben is a marine sergeant and prod to serve his country. He was nearing the end of his second tour of duty in Afghanistan and was looking forward to returning home to his wife and two sons. However, two weeks before he was scheduled to leave, Ben was seriously wounded in a suicide bomber’s attack and almost lost his leg. He initially responded well to treatment, but three days into his recovery his wound was obviously infected and getting worse. His doctors needed to act fast. They prescribed cephalexin, which is a semisynthetic cephalosporin. The nurse webbed the wound and sent a sample to the lab for diffusion susceptibility testWhat does the term semisynthetic mean in reference to an antimicrobial drug?What is the active site of the drug cephalexin called?If the bacterium proves to be resistant to cephalexin resistance is likely due to what enzyme?What is another name for a diffusion susceptibility test?