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: Physiology
[{'content': 'Increase in threshold level on applying subthreshold, slowly rising stimulus is kia \nSelect and explain. \nA. Adaptation, B. Accomodation, C. Refractoriness, D. Electrotonus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Accomodation', 'role': 'assistant'}]