<prompt> Which of the following is not an appropriate investigation for anterior urethral stricture ?Magnetic resonance imagingRetrograde urethrogramMicturating cystourethrogramHigh frequency ultrasound  <response>: Radiological investigations for urethral stricture are :-1 Retrograde urethrography; 2 Micturating cystourethrography; 3 Endoscopy urethroscopy; 4 Sonographic urethrogram; 5 High frequency USG. 