Why Can't Tetany of the Heart Occur in Normal Condition

question 260

Multiple Choice

Why can't tetany of the heart occur in normal condition?

• A) There are no distinct motor units in the heart.
• B) There is inadequate oxygen supply via the coronary circulation to metabolically support a sustained contraction.
• C) The refractory period in cardiac muscle lasts almost as long as the duration of the resultant contraction.
• D) The heart contracts with maximal force every beat so it is impossible to increase the strength of cardiac contraction.

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Definitions:

Merger

The combination of two or more companies into one, to achieve greater efficiencies and strengthen financial and operational positions.

Operating Economies

Cost advantages that enterprises obtain due to the scaling of production or the efficient allocation of resources.

Managerial Efficiency

A measure of the effectiveness with which managers utilize resources at their disposal to achieve organizational goals.

Purchase Method

An accounting technique used in mergers and acquisitions where the buyer records the assets and liabilities of the acquired company at fair market value.