This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower Limb Traumatology, Subject name: Orthopaedics
Jone's fracture is: 
Select and explain. 
A. Fracture of base of 5th metatarsal, B. Fracture of base of 2nd metatarsal, C. Fracture of base of 1st metacarpal, D. Fracture of head of 5th metacarpal
A: Fracture of base of 5th metatarsal
Answer: A: Fracture of base of 5th metatarsal 
Explanation: Fig. Jone's fracture- Occurs at the base of fifth metatarsal at metaphysio-diaphyseal junction and Pseudojones/Dancers Fractures is an avulsion fracture of the tip of 5th metatarsal 5th metatarsal is the M/C metatarsal to undergo traumatic fracture. Base of 5th metatarsal is divided into three zones- Zone 1. Avulsion fractures (Pseudo Jones fracture/ dancer's fracture) of peroneus brevis(not longus) tendon. Zone 2. Fractures at the metaphysealdiaphyseal junction (Jone's fracture) Zone 3. Stress fractures of the proximal 1.5 cm of the shaft of the fifth metatarsal.