A patient arrives in the emergency room concerned about a pa…
A patient arrives in the emergency room concerned about a painless ulcer with a black center that has formed on his hand. He tells the healthcare team that the ulcer was precluded by small blisters that itched. The team decides to collect samples from the ulcer in order to determine the cause of the infection. A variety of staining procedures and other biochemical tests are performed. The endospore stain is shown below. Based on the results of the stain, which of the following organisms is likely responsible for the patient’s cutaneous infection?