This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
[{'content': 'Panic attack is associated with a disturbances in all of the following neurotransmitters except: \nSelect and explain. \nA. Serotonin, B. GABA, C. Glutamate, D. Dopamine, CCK, pentagastrin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Serotonin, norepinephrine and GABA are the major neurotransmitters involved in panic attacks. Cholecystokinin and pentagastrin (which acts on CCK receptors) are also known to cause panic attacks.', 'role': 'assistant'}]