Nervous Control of Urination Involves What Mechanism(s)

question 59

Multiple Choice

Nervous control of urination involves what mechanism(s) ?

• A)The brain determines need for urination from an internal clock.
• B)Stretch receptors in the urinary bladder directly send impulses 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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Definitions:

Dependent Variable

In an experiment or model, it is the variable being tested and measured, which is expected to change as a result of changes in the independent variable(s).

Independent Variable

A variable in an experiment or statistical model that is manipulated or controlled by the experimenter to observe its effect on a dependent variable.

SSE

Sum of Squared Errors; a measure of the discrepancy between the data and an estimation model.

SST

Sum of Squared Total, a measure used in statistics to quantify the variance within a set of observations.