The Opening of the Internal Urethral Sphincter Is Through Action

question 23

Multiple Choice

The opening of the internal urethral sphincter is through action of the

• A)somatic nervous system.
• B)enteric nervous system.
• C)sympathetic nervous system.
• D)parasympathetic nervous system.

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Definitions:

Fascicle

A bundle of skeletal muscle fibers surrounded by connective tissue, contributing to the structure and function of muscles.

Neurofibrils

Fine, thread-like structures within neurons that provide support and nutrient transportation throughout the nerve cell.

Node of Ranvier

Gaps in the myelin sheath of a nerve fiber, allowing for rapid conduction of nerve impulses.

Telodendria

The fine, branching extensions at the end of axons, which help in transmitting neural signals to other neurons or muscles.