Select the Correct Statement About the Function of Myocardial Cells

question 9

Multiple Choice

Select the correct statement about the function of myocardial cells.

• A)Each cardiac muscle cell is innervated by a sympathetic nerve ending so that the nervous system can increase heart rate.
• B)The refractory period in skeletal muscle is much longer than that in cardiac muscle.
• C)The entire heart contracts as a unit or it does not contract at all.
• D)The influx of potassium ions from extracellular sources is the initiating event in cardiac muscle contraction.

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Definitions:

Vice President

A high-ranking executive in an organization or government, typically below the president in rank, who may oversee specific departments or areas of operation.

Hofstede's Dimensions

A framework for cross-cultural communication developed by Geert Hofstede, consisting of six dimensions that describe the effects of a society's culture on the values of its members and how these values relate to behavior.

High Power Distance

A cultural dimension that reflects the extent to which a society accepts and endorses authority, hierarchical order, and unequal power distribution.

Collectivism

A cultural orientation emphasizing the group over individual wishes or rights, prioritizing community and social cohesion.