ENT Improvement in nasal patency by retracting the lateral part of the cheek and thus testing the valvular component of the nose is: A Epley's manoeuvre B Cottle's test C Schwartz manoeuvre D Heimlich manoeuvre 💡 Explanation Improvement in nasal patency by retracting the lateral part of the cheek and thus testing the valvular component of the nose is: ✓ Correct Answer: B. Cottle's test