Electrical Wires Are Generally Protected by a Tube of Plastic

question 73

Multiple Choice

Electrical wires are generally protected by a tube of plastic.A similar insulating function is performed in the nervous system by

• A) myelin.
• B) neurotransmitters
• C) nodes of Ranvier.
• D) vesicles.

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Definitions:

False Alarm

An incorrect signal indicating that a certain condition or attribute has been detected when it has not.

Control Charts

Statistical tools used in quality control to monitor a process and identify when it is out of control, through the plotting of data points in time order.

Gradual Shift

A slow and steady change or movement in position, opinion, or condition over time.

Piston Rings

Circular components that fit into grooves on the outer diameter of a piston in an engine to seal the combustion chamber, control oil consumption, and manage heat transfer.