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
Panic attack is associated with a disturbances in all of the following neurotransmitters except: 
Select and explain. 
A. Serotonin, B. GABA, C. Glutamate, D. Dopamine, CCK, pentagastrin
C: Glutamate
Answer: C: Glutamate 
Explanation: 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.