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: Surgery
The clean and small wound heals by? 
Select and explain. 
A. Primary intention, B. Secondary intention, C. Tertiary intention, D. All of above
A: Primary intention
Answer: A: Primary intention 
Explanation: HEALING BY PRIMARY INTENTION

It involves epidermis and dermis without total penetration of dermis healing by process of epithelialization when wound edges are brought together so that they are adjacent to each other (reapproximated).
This minimizes scarring
Most surgical wounds heal by primary intention healing
Wound closure is performed with sutures (stitches), staples, or adhesive tape • Examples: well-repaired lacerations, well-reduced bone fractures, healing after flap surgery