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: Anaesthesia
Tracheal secretions should be suctioned for: 
Select and explain. 
A. 10-15 seconds, B. 60 seconds, C. 30 seconds, D. 3 minutes
A: 10-15 seconds
Answer: A: 10-15 seconds 
Explanation: Ans. a. 10-15 seconds(Ref Current DiMMOCIC and Treatment Critical Care 3/e p255)Tracheal secretions should he suctioned limiting the time to less than 10-15 seconds. The patient should be preoxygenated with 100% oxygen for at least a minute, and the total suction time should be limited to no more than 10-15 seconds on each attempt.