Where Does the Cardiac Action Potential (Cardiac Impulse) Normally Originate

question 50

Multiple Choice

Where does the cardiac action potential (cardiac impulse) normally originate?

• A)AV node
• B)Purkinje fibers
• C)Ectopic focus
• D)SA node

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Definitions:

Oligopoly

A distinct form of market where only a few companies have significant influence over industry prices and competition.

Herfindahl Index

A measure of market concentration used to determine the competitive landscape by summing the squares of the market shares of all firms in the industry.

Market Shares

The segment of a market dominated by a specific company or product, usually represented as a percentage.

Concentration Ratio

A measure of the total output produced in an industry by a given number of firms, usually the largest in the industry, indicating the level of market competition.