Goniometer is used for: (A) Amount o vaginal secretions, (B) To measure width of genital mhiatus, (C) Gonococcal colony count, (D) Urethrovesical Angle
Answer is D. Goniometer

It is used to measure baseline urethral angle and maximum strain angle of urethra with a cotton tip swab in place
The bladder forms an angle of 100 degree with posterior urethral wall which is also responsible for maintaining urinary continance