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
Guttman sign is seen in 
Select and explain. 
A. Branchial plexus block, B. Supra clavicular block, C. Stellate ganglion block, D. None
C: Stellate ganglion block
Answer: C: Stellate ganglion block 
Explanation: Guttman sign is ipsilateral nasal stuffiness seen in stellate ganglion block.