This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
In cleft lip operation all the stitches are removed on 
Select and explain. 
A. 2nd day, B. 4th day, C. 7th day, D. 10th day
B: 4th day
Answer: B: 4th day 
Explanation: Guidelines for removal of suture by Area Body regions Removal (days) Body regions Removal (in days) Eyelid 3-4 Chest, abdomen 8-10 Eyebrow 3-5 Ear 10-14 Nose 3-5 Back 12 - 14 Lip 3-4 Extremities 12-14 Face(other) 3-4 Hand 10-14 Scalp 6-8 Foot, Sole 12-14 Ref: Sabiston 18th edition Pgno : 2134