The Right and Left AV Valves Prevent Backflow of Blood

question 66

Multiple Choice

The right and left AV 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:

1% Commission

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Dividend Yield

A financial ratio that shows how much a company pays out in dividends each year relative to its share price.

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5-day SMA

The average of a security's closing prices over the last 5 days, often used to identify trends.