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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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J2Thurst J2Thurst
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6 years ago
A 45-year-old diabetic male is experiencing erectile dysfunction. If his erectile dysfunction is caused by the nervous system, then the nurse can educate the patient that the venous blood supply to the penis is controlled by
 
  A)
  sacral parasympathetic fibers.
  B)
  the hypothalamus.
  C)
  the vagus nerve.
  D)
  postganglionic sympathetic neurons.
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#1
6 years ago
Ans:
A

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The pelvic nerves leave the sacral plexus on each side of the cord and distribute their peripheral fibers to the bladder, uterus, urethra, prostate, distal portion of the transverse colon, descending colon, and rectum. Sacral parasympathetic fibers also supply the venous outflow from the external genitalia to facilitate erectile function. The hypothalamus, vagus nerve, and postganglionic sympathetic neurons do not control erectile function.
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