Which of the Following Statements Concerning the Micturition Reflex Is

question 68

Multiple Choice

Which of the following statements concerning the micturition reflex is false?

• A) The micturition reflex is initiated by stretching the bladder wall.
• B) Afferent signals are conducted to the sacral segments of the spinal cord by the pelvic nerves.
• C) Efferent signals are sent to the bladder by sympathetic fibers in the pelvic nerve.
• D) The micturition reflex usually produces a series of contractions of the urinary bladder.
• E) The micturition reflex is modified by centers in the pons and cerebrum.

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Definitions:

Centriole

In animal cells, a barrel-shaped organelle from which microtubules grow.

Cilia

Microscopic, hair-like structures on the surface of certain cells that move in a wave-like manner, facilitating movement or the transport of fluids and particles.

Vesicle

A small, fluid-filled sac or cyst within the body or a cell, used to transport materials within the cytoplasm.

Membrane Enclosed Sac

A structure within a cell, bounded by lipids, that contains fluid or smaller organelles, involved in transport, storage, and processing.