A 75 year old man comes to the physician because of a six-week history of poor urinary stream and inability to void completely. Physical examination shows a markedly enlarged prostate. The diagnosis of benign prostatic hyperplasia is made. Between which of the following regions of the urethra is obstruction of urine flow most likely located in this patient?The bladder neck and the membranous urethraThe membranous urethra and the proximal bulb of the penisThe peritoneal membrane and the levator aniThe proximal bulb of the penis and the perineal membraneThe trigone and the internal urethral orifice

Benign prostatic hyperplasia, a noncancerous enlargement of the prostate gland, is the most common…

Answered: benign prostatic hyperplasia

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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A 75 year old man comes to the physician because of a six-week history of poor urinary stream and inability to void completely. Physical examination shows a markedly enlarged prostate. The diagnosis of benign prostatic hyperplasia is made. Between which of the following regions of the urethra is obstruction of urine flow most likely located in this patient?
1. The bladder neck and the membranous urethra
2. The membranous urethra and the proximal bulb of the penis
3. The peritoneal membrane and the levator ani
4. The proximal bulb of the penis and the perineal membrane
5. The trigone and the internal urethral orifice

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