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Nervous Control of Urination Involves What Mechanism(s)

Question 64

Multiple Choice

Nervous control of urination involves what mechanism(s) ?


A) The brain determines the need for urination from an internal clock.
B) Stretch receptors in the urinary bladder send impulses directly to the sphincters to cause urination.
C) Stretch receptors in the urinary bladder send impulses to the spine, causing a urinary reflex, but the brain can delay the reflex.
D) Stretch receptors in the urinary bladder directly send impulses to the brain that consciously decides to stimulate sphincters to relax.
E) Chemical receptors in the bladder detect urine concentration and trigger a reflex action.

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