A Tool That Database Designers Use to Show the Logical

question 80

Multiple Choice

A tool that database designers use to show the logical relationships among data is a(n) _____.

• A) data model
• B) entity-relationship diagram
• C) relational model
• D) all of the above

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Definitions:

Dyspnea

Difficult or labored breathing.

Cheyne-Stokes

A breathing pattern characterized by alternating periods of apnea and hyperventilation.

Apnea

The absence of breathing.

Rales

An unusual sound heard in the bronchi on examination of respirations.