The Normal Pacemaker of the Heart Is the

question 20

Multiple Choice

The normal pacemaker of the heart is the

• A) S-A node at 120 bpm.
• B) A-V node at 60 bpm.
• C) S-A node at 70 bpm.
• D) A-V node at 40 bpm.

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Definitions:

Dominant Firms

Companies that hold a significant share of market power in their industry, often able to influence market conditions and prices.

New Firms

New firms are businesses that have been recently established, entering the marketplace with the intention to offer goods or services.

Creative Destruction

A process through which new innovations cause older technologies or models to become obsolete, promoting progress but also potentially leading to job losses.

Economic Recession

A temporary downturn in economic activity, characterized by decreased trade and industrial output, usually marked by a decrease in the Gross Domestic Product (GDP) for two consecutive quarters.