This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
Fowl smelling nasal discharge is seen in all except- 
Select and explain. 
A. NasalMyiasis, B. Choanal atresia, C. Foreign body in nose, D. Rhinolith
B: Choanal atresia
Answer: B: Choanal atresia 
Explanation: Ans. is 'b' i.e., Choanal atresia Diseases with fowl smelling nasal discharge are:Nasal myiasisForeign body in noseRhinolitho In choanal atresia there is presence of nasal discharge without air bubbles.