You have cultured a bacterial specimen obtained from an abscess on mannitol salt agar.On the following day you note growth and a yellow zone around the colonies.Your specimen is most likely to be

Question

Quizplus · Accepted Answer

The yellow zone surrounding the colonies indicates that the organism is able to ferment mannitol, which is a characteristic of Gram-positive bacteria such as Staphylococcus species. Additionally, mannitol salt agar is selective for salt-tolerant organisms, so the organism is likely salt-tolerant as well. The absence of information about Gram staining or salt sensitivity make it impossible to determine the accuracy of the other answer choices.

You Have Cultured a Bacterial Specimen Obtained from an Abscess