Question

Ejaculation (during an orgasm in a male) is mediated by the: A. somatic motorneurons B. sympathetic...

Ejaculation (during an orgasm in a male) is mediated by the:

A. somatic motorneurons

B. sympathetic autonomic motorneurons

C. parasympathetic autonomic motorneurons

D. it is not controlled by the nervous system

Science   Anatomy-And-Physiology   
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Homework Answers

Answer #1

The correct answer is (B)sympathetic autonomic motorneurons.

Explanation:

  • Sympathetic autonomic motor neurons are mainly responsibe for orgasm or ejaculation in males. it helps in contractions of smooth muscles in the vas deferens, seminal vesical and prostate. This releases semen into the urethra. Then there is stimulation of bulbocavernosus and ischiocavernosus which ultimately releases semen out of the urethra.
  • All other statements are wrong
    • Orgasm is not controlled by somatic system but by autonomic system.
    • Parasympathetic system is not involved in this.
    • This is controlled by the nervous system.
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