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': 'If a supramaximal stimulus is applied to an excitable tissue like a nerve or a muscle and it elicits a response, then the tissue is said to he in: \nSelect and explain. \nA. Absolute refractory period, B. Relative refractory period, C. Latent period, D. After-depolarization', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Relative refractory period', 'role': 'assistant'}]