The Function of the Ventricular Conduction System of the Heart

question 99

Multiple Choice

The function of the ventricular conduction system of the heart is to

• A) spread of the action potential throughout the large ventricular mass to ensure a single, coordinated contraction of the ventricles.
• B) spread the action potential in the absence of sympathetic stimulation.
• C) set the heart rate.
• D) spread the action potential throughout the atria and ventricles.
• E) slow down the original action potential so it has time to spread throughout the large ventricular mass.

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Definitions:

Ego

In psychoanalytic theory, the part of the personality that mediates between external reality and inner demands of the id and superego.

Correlation Coefficient

A number ranging from -1.00 to +1.00 that expresses the direction (positive or negative) and strength of the relationship between two variables.

Covariance Coefficient

A statistical measure that indicates the extent to which two variables change together; it can be positive, negative, or zero.

Maximum-Likelihood Coefficient

A statistical measure that estimates the parameters of a model to maximize the likelihood of fitting the model to a given set of data.