Where Is the SA Node Located

question 44

Multiple Choice

Where is the SA node located?

• A) right atrium
• B) left ventricle
• C) left atrium
• D) right ventricle
• E) AV bundle (bundle of His)

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Definitions:

Average Total Cost

The total cost of production (fixed and variable) divided by the number of units produced, representing the per unit cost of production.

Marginal Cost

The cost of producing one more unit of a good or service.

Optimum Efficiency

The most favorable condition for the maximal performance and least waste of resources.

Marginal Revenue

The financial gain achieved through the sale of one more unit of a good or service.