This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Specific Infections, Subject name: Gynaecology & Obstetrics
[{'content': 'Whiff test done for: \nSelect and explain. \nA. Gonococcal infections, B. Gardenella, C. Trichomoniasis, D. Candiasis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) GardenellaRef.: Shaws 15th ed. /131-132* Whiff test or amine test is done for gardenella (bacterial) vaginosis.* It is performed by adding a small amount of potassium hydroxide (KOH) to a microscopic slide containing the vaginal discharge. A characteristic fishy odor is considered a positive whiff test and is suggestive of bacterial vaginosis.', 'role': 'assistant'}]