A diabetic foot swab from an 82-year-old woman with recurren…
A diabetic foot swab from an 82-year-old woman with recurrent infections is submitted for culture. The Gram stain reveals many neutrophils, no squamous epithelial cells, many gram-negative bacilli, and many gram-positive cocci in chains. The physician requests that all pathogens be worked up. In addition to the sheep blood, chocolate, and MacConkey agar plates routinely used for wound cultures, the technologist might also process a(n):