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
Which of the following statements is true of ketorolac ? 
Select and explain. 
A. Has potent anti-inflammatory activity, B. Its analgesic efficacy is equal to morphine in postoperative pain, C. Is used as preanaesthetic analgesic, D. It interacts with opioid receptor
B: Its analgesic efficacy is equal to morphine in postoperative pain
Answer: B: Its analgesic efficacy is equal to morphine in postoperative pain 
Explanation: Ketorolac is an NSAID promoted for systemic use mainly as an analgesic, not as an anti-inflammatory drug (though it has typical NSAID properties).
The drug does appear to have significant analgesic efficacy and has been used successfully to replace morphine in some situations involving mild to moderate postsurgical pain.