This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
In flexor tendon graft repair, graft is taken from 
Select and explain. 
A. Plantaris, B. Palmaris longus, C. Extensor digitorum, D. Extensor indicis
B: Palmaris longus
Answer: B: Palmaris longus 
Explanation: Secondary repair and reconstruction of flexor tendonsIf flexor tendons cannot be repaired within the first 10 to 14 days (delayed primary repair), the repair is considered to be secondary repairDonor tendons for grafting, in order of preference, are the Palmaris longus, the plantaris, and the long extensors of the toes. In rare cases, the index extensor digitorum communis, the extensor indicis proprius, and the flexor digitorum sublime are used.(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 497)