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
Contraindication for skin traction -a) Dermatitisb) Vascularity compromized status of limbc) Abrasionsd) Hypopigmentation (vitiligo)e) Bony deformity 
Select and explain. 
A. ab, B. abc, C. acd, D. bcd
B: abc
Answer: B: abc 
Explanation: Contraindications of skin traction 

Skin damage or sepsis in the area.
Deep vein thrombosis
Suspected vascular defecit
Anaesthetic limb (neurological deficit).
Force required is > 5 kg & for long duration due to changes of peeling off of skin.
In small abrasions it can be applied with proper padding but large abrasions are relative contraindications.