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: Anaesthesia
Epidural narcotic is preferred over epidural LA because it causes – 
Select and explain. 
A. Less respiratory depression, B. Less dose is required, C. No motor paralysis, D. No retention of urine
C: No motor paralysis
Answer: C: No motor paralysis 
Explanation: Epidural opioids produce only sensory block without sympathetic and motor block.