A nurse is providing care for a 75-year-old man, whom she has noted has not voided urine since the beginning of the shift. The man states that this has happened to him before and that while he presently has the urge to void, he is unable to do so
An ultrasound bladder scan indicates that there is 780 cc of urine in the man's bladder. What is the most likely cause of the man's urinary retention? A) Fecal impaction
B) Prostatic hypertrophy
C) Neurogenic reflex
D) Muscle weakness
B
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Among men, prostatic hypertrophy is the most common cause of urinary retention. Fecal impaction is the most common cause of urinary retention in women. Neurogenic (reflex) causes incontinence because of an inability to sense the urge to void or control urine flow. Inefficient neurologic control of bladder emptying and weaker bladder muscles can promote the retention of large volumes of urine; however, it is not as likely as prostatic hypertrophy.
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