This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses, Subject name: Physiology
[{'content': 'Which of the following best describes the electrical response of the rods to light? \nSelect and explain. \nA. Action potential, B. Capacitive discharge, C. Depolarization, D. Hyperpolarization', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The rod receptor potential is hyperpolarizing, not depolarizing. It is a receptor potential not action potential. Hyperpolarization leads to decrease in the release of glutamate, an excitatory neurotransmitter, from the synaptic terminals of the photoreceptor.', 'role': 'assistant'}]