What Sphincter Is Composed of Smooth Muscle Between the Anus

question 180

Multiple Choice

What sphincter is composed of smooth muscle between the anus and external environment?

• A) external anal sphincter
• B) sphincter of Oddi
• C) upper esophageal sphincter
• D) lower esophageal sphincter
• E) internal anal sphincter

Analyze the socioeconomic factors affecting the U.S. in the early 21st century.

Evaluate the response of U.S. administrations to major natural disasters and their implications.

Comprehend the dynamics and outcomes of U.S. presidential elections in the early 21st century.

Examine the challenges related to immigration and reform attempts in the U.S.

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Definitions:

Non-Associative Learning

A type of learning in which an organism's response to a stimulus decreases or increases over time without the need for a different stimulus to be associated.

Associative Learning

is the process by which an association between two stimuli or a behavior and a stimulus is learned.

Adapt

To adjust or become accustomed to new conditions or the environment, often to improve survival or functionality.

Environments

The surroundings or conditions in which a person, animal, or plant lives or operates.