An Attribute That Uniquely Identifies an Entity and Consists of a Composite

question 28

Multiple Choice

An attribute that uniquely identifies an entity and consists of a composite attribute is called a(n) :

• A) composite attribute.
• B) composite identifier.
• C) identifying attribute.
• D) relationship identifier.

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Definitions:

Extracellular Fluid Volume

The volume of fluid outside of cells in the body, which includes blood plasma, lymph, and interstitial fluid.

Postural Hypotension

Abnormally low blood pressure occurring when an individual assumes the standing posture; also called orthostatic hypotension.

Skin Turgor

The elasticity of the skin, often tested to assess hydration or the presence of edema.

Pitting Edema

A condition where pressure applied to the skin leaves an indentation, indicating fluid accumulation in the tissues.