Which of the Following Statements Best Describes the Mechanism(s)by Which

question 29

Multiple Choice

Which of the following statements best describes the mechanism(s) by which venous blood returns to the heart?

• A)Intraluminal valves ensure unidirectional flow toward the heart.
• B)Contracting skeletal muscles milk blood distally toward the veins.
• C)The high-pressure system of the heart helps to facilitate venous return.
• D)Increased thoracic pressure and decreased abdominal pressure facilitate venous return to the heart.

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Definitions:

Consumer Needs

Fundamental requirements that motivate individuals to make purchase decisions, such as food, shelter, and safety.

Paraphilia Behaviors

Patterns of sexual interest or activities that deviate significantly from the norm, often involving atypical objects, fantasies, behaviors, or individuals.

Ethnic Groups

Social groups that share a common national or cultural tradition.

Socioeconomic Groups

Categories of people sharing similar levels of wealth, income, education, and occupational status in society.