If the Connection Between the SA Node and AV Node

question 85

Multiple Choice

If the connection between the SA node and AV node becomes blocked,

• A) the ventricles will beat faster.
• B) the ventricles will beat more slowly.
• C) the ventricular beat will remain unchanged.
• D) cardiac output will increase.
• E) the atria will contract more forcefully.

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Definitions:

Marginal Productivity

The increase in output resulting from a one-unit increase in the input of a particular resource, while holding inputs of all other resources constant.

Output Constant

A fixed amount of production that does not change with the levels of input.

Isocost Line

A graph representing all combinations of inputs which cost the same total amount.

Price of Capital

The cost of borrowing money or the return that is required for an investment in equipment or buildings.