A ____ Key Is Any Column That Could Be Used

question 61

Multiple Choice

A ____ key is any column that could be used as the primary key.

• A)surrogate
• B)foreign
• C)possible
• D)candidate

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Definitions:

Innate Immunity

The first line of defense in the immune system, consisting of physical, chemical, and cellular defenses against pathogens.

Immune Response

The body's defensive reaction to eliminate pathogens or foreign substances.

Natural Killer Cells

Natural Killer Cells are a type of lymphocyte in the immune system that can recognize and destroy cancerous or virus-infected cells without prior sensitization.

Lymphatic Vessels

Part of the lymphatic system, these vessels carry lymph fluid throughout the body, aiding in the removal of toxins and waste.