Problem: A patient with benign prostatic hyperplasia has increased post-void residual volume, indicative of bladder outlet obstruction. Which of the following best explains the pathophysiological mechanism behind this obstruction? Hyperplasia and hypertrophy of prostatic tissue leading to urethral compression Increased smooth muscle relaxation in the bladder neck Reduced testosterone levels leading to prostatic tissue scarring Increased cortisol levels causing prostate tissue shrinkage. Need Assignment Help?