What Is True About the Urethral Sphincters

question 13

Multiple Choice

What is true about the urethral sphincters?

• A)The external urethral sphincter is under involuntary control.
• B)The internal urethral sphincter is under involuntary control.
• C)The internal urethral sphincter is made up of skeletal muscle.
• D)Both sphincters are under voluntary control.

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Definitions:

James Watson

An American molecular biologist, geneticist, and zoologist, co-discoverer of the structure of DNA with Francis Crick.

DNA

Deoxyribonucleic Acid, or DNA, is the molecule that contains genetic information crucial for the growth, development, function, and reproduction of all recognized living entities and many viruses.

Adaptation

A process by which an organism or species becomes better suited to its environment, often through changes in traits or behaviors, over generations.

Mendelian Principle

The foundational principles of inheritance proposed by Gregor Mendel, including the laws of segregation and independent assortment, which explain genetic variation.