In Terms of Controlling Micturition, the Somatic Nervous System Innervates

question 180

Multiple Choice

In terms of controlling micturition, the somatic nervous system innervates the ,_______ the parasympathetic nervous system innervates the_______ , and the sympathetic nervous system Innervates the ________.

• A) external urethral sphincter : detrusor muscle : internal urethral sphincter
• B) internal urethral sphincter : external urethral sphincter : detrusor muscle
• C) bladder skeletal muscle : bladder smooth muscle : external urethral sphincter
• D) bladder : micturition reflex : external urethral sphincter
• E) internal urethral sphincter : detrusor muscle : external urethral sphincter

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Definitions:

Deoxygenated Blood

Blood that has released its oxygen to the body's cells and is returning to the heart to be sent to the lungs for oxygenation.

Umbilical Artery

One of two arteries that carry deoxygenated blood from a fetus to the placenta in the umbilical cord.

Ductus Arteriosus

A fetal blood vessel that connects the pulmonary artery to the aorta, allowing blood to bypass the lungs in utero, which normally closes after birth.

Foramen Ovale

An opening in the septum between the two atria of the heart in the fetus, which normally closes after birth.