This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': 'Stroboscopy is used to assess: \nSelect and explain. \nA. Speech, B. Hearing, C. Olfaction, D. None of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Videostroboscopy is an impoant tool in monitoring rehabilitation and providing feedback during speech therapy. It is also useful in the diagnosis of lesions such as intracordal cysts and in differentiating these lesions from vocal cord nodules.Stroboscopic examination allows visualization of the mucosal wave occurring at the medial edge of the vocal fold, the appearance being one of a 'slow motion' film. This appearance is created by the flickering stroboscopic light illuminating consecutive mucosal waves at a similar point in the wave form.", 'role': 'assistant'}]