An 18-year-old, previously healthy female presents to the student health service with fever, vomiting, and diarrhea. On physical examination, she is hypotensive, red, sunburn-like skin rash and has an erythematous, red, sunburn-like skin rash. She is currently menstruating and has been using super-absorbent tampons. Which of the following findings from a positive culture would confirm the suspected diagnosis?

1. A)Organisms are acid-fast.
2. B)Organisms grow on Thayer-Martin medium.
3. C)Organisms have positive quellung reaction.
4. D)Organisms are coagulase-positive.GABARITO
5. E)Organisms grow on EMB (eosin-methylene blue) agar.