A Change in Quality Level from 3-Sigma to 4-Sigma Represents

question 51

Multiple Choice

A change in quality level from 3-sigma to 4-sigma represents a:

• A)1-fold improvement.
• B)2-fold improvement.
• C)5-fold improvement.
• D)10-fold improvement.

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Definitions:

Action Potential

A rapid change in electrical charge across a neuron's cell membrane, allowing for the transmission of nerve impulses.

Excitatory Signals

These are biochemical impulses that promote or increase neural activity or the firing of neurons.

All-or-none Response

A biological principle indicating that a nerve or muscle fiber reacts completely or not at all to a stimulus.

Sodium/Potassium Pump

A vital cell membrane protein that pumps sodium out of cells and potassium into cells, maintaining the necessary concentration gradients for nerve impulse transmission and muscle contractions.