An Entity Instance Is a Single Occurrence of an Entity

question 23

True/False

An entity instance is a single occurrence of an entity type.

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Definitions:

Heart Skeleton

A framework of dense connective tissue in the heart that provides structural support and attachment for cardiac muscle and valves.

Ectopic Stimuli

Electrical or chemical signals occurring at an abnormal location or time in the body, often resulting in irregular physiological responses such as ectopic heartbeats.

Atria

The two upper chambers of the heart that receive blood returning to the heart from the body and lungs.

Heart Valves

Structures within the heart that maintain unidirectional blood flow through the heart chambers, including the mitral, tricuspid, aortic, and pulmonary valves.