What Is a Foreign Key

question 16

Multiple Choice

What is a foreign key?

• A)A field that uniquely identifies a given record in a table.
• B)A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• C)A table that uniquely identifies a given record in a field.
• D)A foreign key of one table that appears as an entity in another table and acts to provide a logical relationship between the two records.

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Definitions:

Mean Arterial Pressure

The average blood pressure in an individual's arteries during one cardiac cycle, essential for ensuring effective tissue perfusion.

Peripheral Resistance

Peripheral resistance is the resistance of the arteries to blood flow. As the arteries constrict, the resistance increases and blood pressure rises.

Cardiac Output

The volume of blood pumped by the heart per minute, indicative of the heart's efficiency.

Chronic Stress

Chronic stress is a condition of prolonged emotional pressure considered beyond an individual's control.