The Aortic and Pulmonary Semilunar Valves Prevent Backflow of Blood

question 102

Multiple Choice

The aortic and pulmonary semilunar valves prevent backflow of blood from the:

• A)ventricles to the atria when the ventricles relax
• B)arteries to the ventricles when the ventricles contract
• C)ventricles to the atria when the ventricles contract
• D)arteries to the ventricles when the ventricles relax

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Definitions:

Basic Research

Pure science that aims to increase the scientific knowledge base.

Albert Bandura

A prominent psychologist known for his work on social learning theory, suggesting that people learn through observation and interaction with others.

B.F. Skinner

An American psychologist and behaviorist known for his work in operant conditioning, emphasizing the role of reinforcement and punishment in shaping behavior.

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Neurons that fire both when an individual performs an action and when they observe the same action being performed by another, thought to be fundamental in imitation, empathy, and social understanding.