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: Unknown
Cottel's test is used to test the patency of the nares in: 
Select and explain. 
A. Atrophic rhinitis, B. Rhinosporidiosis, C. Deviated nasal septum, D. Hypertrophied inferior turbinate
C: Deviated nasal septum
Answer: C: Deviated nasal septum 
Explanation: Ans: C (Deviated nasal symptom) Ref: Diseases of the Ear Nose and Throat by PL Dhingra 5th edn 2010.Page 164-165Explanation:In this test (he cheek is pulled laterally and subjective improvement in the airway is assessedIf there is relief in nasal obstruction then the test is positive and indicates an abnormality in the vestibular component of the nasal valve.