A Primary Key

question 25

Multiple Choice

A primary key

• A) is required for every field
• B) is the default value of a field
• C) uniquely defines a record
• D) is required in all forms

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Definitions:

Autonomic Nervous System

A part of the nervous system responsible for controlling involuntary bodily functions such as heartbeat and digestion.

Sympathetic

Referring to the part of the autonomic nervous system that prepares the body for action and stress responses, often described as "fight or flight."

Parasympathetic

The division of the autonomic nervous system responsible for conserving energy and promoting the "rest and digest" response.

Nodes of Ranvier

Gaps in the myelin sheath of nerve fibers, which facilitate the rapid conduction of nerve impulses along the neuron.