Which Valve Below Prevents Blood from Flowing Back into the Right

question 5

Multiple Choice

Which valve below prevents blood from flowing back into the right ventricle?

• A)Tricuspid valve
• B)Bicuspid valve
• C)Pulmonary semilunar valve
• D)Aortic semilunar valve
• E)Mitral valve

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Definitions:

Production Possibilities Frontier

A curve that shows the maximum possible output combinations of two goods or services that an economy can achieve when all its resources are used efficiently.

Great Depression

A severe worldwide economic downturn that took place during the 1930s, characterized by high unemployment, deflation, and a collapse in demand and investment.

Opportunity Cost

The cost of foregone alternatives when one option is chosen over another, representing the benefits that could have been gained by taking the alternate path.

Law of Increasing Cost

The principle that as production of a good expands, the opportunity cost of producing an additional unit rises.