Dermatome in the thumb and index finger region is supplied by: (A) C5,C6, (B) C6,C7, (C) C7,C8, (D) C8,T1
Answer is B. -Thumb C6, index finger -C7 -reference: Textbook of anatomy ,Upper limb and thorax,Vishram Singh, 2nd edition, page no.85,86