This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuromuscular Blocker, Subject name: Anaesthesia
Why there is higher incidence of endobronchial intubation in pediatric patients - 
Select and explain. 
A. Sho trachea, B. Longer Pediatric ETT, C. Both, D. None of the above
A: Sho trachea
Answer: A: Sho trachea 
Explanation: Pediatric Airway Anatomy Obligate Nasal Breathers Large Tongue Large Occiput Larynx and Trachea are funnel shaped Vocal Cords slant anteriorly Larynx located higher in neck (at C4 vs. C6 in adults) Narrowest pa of the pediatric airway is at cricoid cailage (until age 5). In adults the narrowest pa is at the glottis opening Glottis Location Different: Premature Babies at C3 Newborns C3-C4 Adults C5 9. sho trachea