Which of the Following Structures Is the Primary Pacemaker of the Heart

question 11

Multiple Choice

Which of the following structures is the primary pacemaker of the heart?

• A) Ventricular tissue
• B) Atrioventricular node
• C) Sinoatrial node
• D) Purkinje fibers

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Definitions:

Volume

The amount of three-dimensional space occupied by an object or enclosed within a container, usually measured in cubic units.

Material

A substance or mixture of substances that constitutes an object, used in the production and manufacturing of goods or constructions.

Density

A measure of mass per unit volume of a substance, often expressed in grams per cubic centimeter or kilograms per cubic meter.

Volume

The volume is the space filled by an object or substance, or the space encased by a container.