End tracheostomy is done in patients undergoing surgery for:: (A) Laryngectomy, (B) Laryngofissure surgery, (C) Oropharyngeal tumor, (D) Obstructive sleep apnea with stridor
Answer is A. (Refer: PL Dhingra, Textbook of Ear, Nose, Throat, 6th edition, pg no: 316)
Types of tracheostomy

Emergency tracheostomy
Elective tracheostomy
Permanent tracheostomy
Percutaneous dilatational tracheostomy
Mini tracheostomy

Indications of tracheostomy