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': 'According to myogenic hypothesis of renal autoregulation, the afferent aerioles contract in response to stretch induced by: \nSelect and explain. \nA. No release, B. Narodrenaline release, C. Opening of Ca2+ channels, D. Adenosine release', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Opening of Ca2+ channels', 'role': 'assistant'}]