This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Local and Regional Anesthesia, Subject name: Anaesthesia
Approach used For Brachial plexus Block include the following EXCEPT 
Select and explain. 
A. Suprascapular, B. Interscalene, C. 3 in 1 block, D. Axillary
C: 3 in 1 block
Answer: C: 3 in 1 block 
Explanation: Ans. C. 3 in 1 block. (Miller's Anesthesia Review 2nd/pg. 179)Brachial plexus block approaches:A. Continuous Interscalene approaches->Interscalene block--classic approach.>Intersternocleidomastoid Approach>Parascalene Approach>Paravertebral Approach (Posterior Approach)B. Continuous Infraclavicular approaches>The Coracoid Approach of Whiffler>The Modified Approach of the Raj Technique