This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Remifentanil is: 
Select and explain. 
A. Long acting anaesthetic, B. Useful for sho painful procedures, C. Administered by intravenous bolus dose, D. Metabolized by plasma esterases
B: Useful for sho painful procedures
Answer: B: Useful for sho painful procedures 
Explanation: Remifentanil is a derivative of Fentanyl,an opioid analgesic. It is sho acting and is used for induction of anesthesia along with other IV anesthetics. They can be used epidurally in low doses to provide post operative analgesia. From padmaja 4th edition Page no 197