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': 'Activation of which of the following receptors would be expected to decrease anxiety? \nSelect and explain. \nA. nicotinic cholinergic receptors, B. glutamate receptors, C. GABA A  receptors, D. glucocorticoid receptors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Meissner and Pacinian corpuscles are examples of rapidly adapting receptors, and Merkel cells and Ruffini endings are examples of slowly adapting receptors.\nGanong 23 rd ed, pg 153', 'role': 'assistant'}]