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': 'Differential diagnosis of panic disorder includes: a. Pheochromocytoma b. Myocardial infarction c. Mitral valve prolapse d. Depression e. Carcinoid syndrome \nSelect and explain. \nA. all of the above, B. a,b,c,d, C. a,b,c,e, D. a,c,d,e', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Common physical disorders that must be ruled out before the diagnosis of panic disorder is made include myocardial infarction angina pectoris mitral valve prolapse asthma pulmonary embolism pheo- chromocytoma carcinoid syndrome hypoglycemia hypehyroidism anaemia.', 'role': 'assistant'}]