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: Pharmacology
[{'content': 'Which of the following physiological effect is not produced by stimulation of Kappa opioid receptor? \nSelect and explain. \nA. Sedation, B. Diuresis, C. Meiosis, D. Constipation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Constipation is due to stimulation of u receptor. The effect of stimulation of Kappa opioid receptor includes analgesia, dieresis, sedation, meiosis and dysphoria. Ref: Review of Medical Physiology by Ganong, 20th Edition, Page 107.', 'role': 'assistant'}]