<prompt> A patient was brought to the hospital with a history of A eight hours back. A few drops of blood is noted at the external urethral meatus. He has not passed urine and his bladder is palpable per abdomen. The probable diagnosis is :Urethral injuryRupture bladderUrethral injury with extravasation of urine in the retroperitoneumAnuria due to hypovolemia  <response>: Ans. is a i.e. Urethral injury Blood at urethral meatus and urine retention are suggestive of urethral injury. 