This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Fracture of talus without displacement in x-ray would lead to -a) Osteoarthritis of ankleb) Osteonecrosis of head of talusc) Avascular necrosis of body of talusd) Avascular necrosis of neck of taluse) Non union 
Select and explain. 
A. ac, B. bc, C. ad, D. b
A: ac
Answer: A: ac 
Explanation: Complicatiosn of Talar neck fracture

Malunion                    
Avascular necrosis (osteonecrosis) of body.
Non-union  
Secondary osteoarthritis of ankle and subtalar joint.