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: Dental
HOMAR should be carried out for: 
Select and explain. 
A. 10 sec., B. 15 sec., C. 30 sec., D. 69 sec.
B: 15 sec.
Answer: B: 15 sec. 
Explanation: HOMAR is HOME with Airway Restriction.