Which Statement Is NOT True of the Defecation Reflex

question 138

Multiple Choice

Which statement is NOT true of the defecation reflex?

• A)Voluntary control is provided by the external anal sphincter.
• B)The internal anal sphincter contracts.
• C)The reflex is integrated in the spinal cord.
• D)The reflex is stimulated when feces stretch the rectum.

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Definitions:

Etiologic Agent

A living microorganism or its toxin that may cause human disease.

OSHA

The Occupational Safety and Health Administration, a U.S. government agency responsible for ensuring safe and healthy working conditions.

Drug-Resistant Microorganisms

Microbes that have evolved to withstand the effects of antibiotics and other drugs meant to kill or inhibit them.

Antimicrobial Agent

A substance that kills or inhibits the growth of microorganisms, such as bacteria, viruses, or fungi.