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': 'Which of the following events DO NOT occur in rods in response to light \nSelect and explain. \nA. Structural changes in rhodopsin, B. Activation of transducin, C. Decreased intracellular cGMP, D. Opening of Na+ channels', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]