This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamental concepts, Subject name: Anaesthesia
Stellate ganglion block is characterised by all of the following except 
Select and explain. 
A. Miosis, B. Ptosis, C. Flushing, D. Sweating
D: Sweating
Answer: D: Sweating 
Explanation: A stellate ganglion block is an injection of local anesthetic in the sympathetic nerve tissue of the neck. These nerves are a pa of the sympathetic nervous system. The nerves are located on either side of the voice box, in the neck.