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: Psychiatry
[{'content': 'All are symptoms of morphine withdrawal except? \nSelect and explain. \nA. Mydriasis, B. Yawning, C. Lacrimation, D. Fall in BP', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Fall in BP Morphine withdrawal Manifestations of morphine withdrawl Lacrimation Anxiety & fear Mydriasis Diarrhea Palpitation Sweating Restlessness Insomnia Dehydration Rapid weight loss Yawning Gooseflash (Piloerection) Abdominal colic Rise in BP Delirium and convulsions are not a characteristic features (contrast barbiturates) and are seen only occasionally. Treatment consists of withdrawl of morphine and substitution with oral methadone followed by gradual withdrawl of methodone. Recently the NMDA antagonists and nitric oxide synthatase inhibitors have been", 'role': 'assistant'}]