you are working as a technician in a clinical microbiology lab. a sample arrives at the lab from a patient with a severe wound infection. you need to grow the sample on culture media to identify what microbes are present and determine the best treatment. however you are surprised that when the sample is inoculated on a standard complex media containing digested soybeans, there is no growth visible even after 3 days of incubation. using your understanding of fastidious microorganisms, what could you do next?