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: Gynaecology & Obstetrics
Which among the following simple tests is used to measure/assess urethral hypermobility? 
Select and explain. 
A. Office cystometry, B. Q tip test, C. Voiding diary, D. Postvoid residual urine
B: Q tip test
Answer: B: Q tip test 
Explanation: In Q tip test - A cotton swab is introduced into the urethra following which the patient is asked to perform valsalva manoeuver and the angle of urethra is assessed. An angle of excussion of > 300 from the horizontal indicates urethral hypermobility. Note:- Stress test can also be used to assess urethral hypermobility. Ref: Essentials of Gynaecology by Lakshmi Seshadri, Edition 1, page - 338.