This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nasal Polyposis, Subject name: ENT
"Bernoulli's theorem" explains: 
Select and explain. 
A. Nasal polyp, B. Thyroglossal cyst, C. Zenker's diverticulum, D. Laryngomalacia
A: Nasal polyp
Answer: A: Nasal polyp 
Explanation: (a) Nasal polyp(Ref. Scott Brown, 6th ed., 4/10/2)Thyroglossal cyst and laryngomalacia are the congenital malformations.Zenker's diverticulum occurs due to neuromuscular incoordination.