How should a child be positioned for tracheal tube placement and what are the age-specific maneuvers for an obstructed airway? When is it appropriate to use MAC (Miller) for intubation?
a. Supine position; Back blows and chest thrusts; <1 year old
b. Trendelenburg position; Abdominal thrusts; 2-5 years old
c. High-Fowler's position; Heimlich maneuver; 6-10 years old
d. Left lateral position; Jaw thrust; >10 years old