The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) _____.

Currents used in electrical facial and scalp are called _____.

What term refers to a form of anaphoresis used to treat acne, milia, and comedones?

What is the shortest and least penetrating light of the electromagnetic spectrum?

When electricity is in motion it exhibits magnetic, ______, or thermal effects.

Sodium chloride is an example of a(n) _____.

UV light prompts the skin to produce _____, a fat-soluble vitamin that is good for bone growth and health.

What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?

All haircolor products are organic chemicals, which means they _____.

The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____ electric circuit.