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
A cricoid hook is used paicularly - 
Select and explain. 
A. In thyroidectomy, B. In block dissection of the neck, C. For retracting the superior laryngeal nerve, D. In tracheostomyMiscellaneous / 817
D: In tracheostomyMiscellaneous / 817
Answer: D: In tracheostomyMiscellaneous / 817 
Explanation: Ans. is 'd' i.e., In tracheostomy