A 25-year-old man has drunk 2000 ml. of water over the past 4 hours. For the past hours, he has felt the need to urinate but has not done so. He has remained content because of which of the following?A) Inhibition of parasympathetic spinal cord neuronsB) inhibition of somatic motoneurons of the external urethral sphincterC) inhibition of sympathetic neurons of the internal urethral sphincterD) Stimulation of descending sympathetic pathways to the internal urethral sphincterE) Stimulation of parasympathetic spinal cord neurons

The process of urination, or micturition, is controlled by a complex interplay of both voluntary and…

Answered: A 25-year-old man has drunk 2000 ml. of…

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 25-year-old man has drunk 2000 ml. of water over the past 4 hours. For the past hours, he has felt the need to urinate but has not done so. He has remained content because of which of the following?

A) Inhibition of parasympathetic spinal cord neurons
B) inhibition of somatic motoneurons of the external urethral sphincter
C) inhibition of sympathetic neurons of the internal urethral sphincter
D) Stimulation of descending sympathetic pathways to the internal urethral sphincter
E) Stimulation of parasympathetic spinal cord neurons

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