This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'Which of the following statements is true of ketorolac \nSelect and explain. \nA. Has potent anti inflammatory activity, B. Its analgesic efficiency is equal to Morphine in postoperative pain, C. It is used as preanesthetic analgesic, D. It interacts with opioid receptor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Keralac is an NSAID promoted for systemic used mainly as an analgesic not as an anti inflammatory drug (though it has typical NSAIDS propeies) the drug does appear to have significant analgesic effeciency and has been used successfully to replace Morphine in some situations involving mild-to-moderate postsurgical pain Refer Kdt 6/e p194', 'role': 'assistant'}]