This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management In Orthopedics, Subject name: Orthopaedics
Flexor tendon graft repair graft is taken from - 
Select and explain. 
A. Plantaris, B. Palmaris longus, C. Extensordigitorum, D. Extensorindicis
B: Palmaris longus
Answer: B: Palmaris longus 
Explanation: Ans. is 'b' i.e., Palmaris longus Secondary repair and reconstruction of flexor tendonso If flexor tendons cannot be repaired within the first 10 to 14 days (delayed primary repair), the repair is considered to be secondary repair.o Donor tendons for grafting, in order ofpreference, 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 sublimis are used.