A Schematic of the Entire Database That Describes the Relationships

question 46

Multiple Choice

A schematic of the entire database that describes the relationships in a database is called a(n) :

• A) data dictionary.
• B) intersection relationship diagram.
• C) field key diagram.
• D) data definition diagram.
• E) entity-relationship diagram.

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Definitions:

Purified Protein Derivative (PPD)

A substance used in a tuberculin skin test (TST) to detect tuberculosis infection.

Tuberculosis (TB)

A contagious bacterial infection caused by Mycobacterium tuberculosis, primarily affecting the lungs but may spread to other organs.

Antitussive/Expectorant

Medications used to suppress coughing (antitussive) and help clear mucus from the respiratory tract (expectorant).

Sputum

Mucus that is coughed up from the lower airways (bronchi and lungs), often used in medical testing to detect pathogens or abnormalities.