Which of the Following Correctly Gives the Orders of Events

question 47

Multiple Choice

Which of the following correctly gives the orders of events in a cardiac cycle?

• A) atria contract, ventricles contract, AV valves close, ventricles relax, semilunar valves close
• B) ventricles contract, AV valves close, atria contract, ventricles relax, semilunar valves close
• C) ventricles relax, atria contract, ventricles relax, AV valves close, semilunar valves close
• D) AV valves close, ventricles relax, atria contract, semilunar valves close, ventricles contract
• E) ventricles contract, atria contract, AV valves close, ventricles relax, semilunar valves close

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Definitions:

Capital Structure

The mixture of debt and equity financing a company uses to fund its operations and grow.

Debt-equity Ratio

A measure used to assess a company's financial leverage, calculated by dividing its total liabilities by its shareholder equity.

Weighted Average Cost of Capital

The rate that a company is expected to pay on average to all its security holders to finance its assets, weighting the cost of each source of capital (equity, debt, etc.) by its proportion in the capital structure.

Optimal Capital Structure

The ideal mix of debt and equity financing that minimizes a company's cost of capital and maximizes shareholder value.