What electrical term is abbreviated as AC?

What apparatus changes alternating current (AC) to direct current (DC)?

The term used for measuring the strength of an electric current is

What unit of measure is equivalent to 1/1000 of an ampere?

The term used for measuring the resistance of an electric current is

The term used for measuring how much electric energy is being used in one second is:

Which safety devices prevent electric wires from overheating?

Which apparatus conducts electric current from an electrotherapy device to the client's skin?

A positive electrode is called a(n)

Commonly used modalities in cosmetology are Tesla high-frequency current, microcurrent, and

The process of introducing water-soluble products into the skin with the use of electric current is known as

The process used to soften and emulsify grease deposits and blackheads in the hair follicles is called

What process forces acidic substances into deeper tissues using galvanic current from the positive toward the negative pole?

An extremely low level of electricity that mirrors the body's natural electrical impulses is known as:

What is a thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments?

An instrument producing moist, uniform heat that can be applied to the head or face is called a

The distance between two successive peaks of electromagnetic waves is called

Thirty-five percent of natural sunlight is made up of:

Ultraviolet rays, also known as cold light, make up _______ percent of natural light.

The type of light blocked by the ozone layer is

Infrared lamps are primarily used during hair conditioning treatments and for what other purpose?

Laser is an acronym for

Removing blood vessels, disabling hair follicles, and eliminating some wrinkles may be accomplished using various laser treatments.

LED is the abbreviated version of _________, which is used in treatments to reduce acne and increase skin circulation.

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

What is the movement of electrons from one atom to another along a conductor?

What is another name for materials that are nonconductors?

Rubber, silk, wood, and glass are common examples of:

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

What are two types of electric current?

Which phrase best describes direct current?

Rapid and interrupted current that flows in one direction and then in the opposite direction is known as _____ current.

Normal electric wall sockets that power a hair dryer or curling iron are _____ volts.

What unit measures the strength of an electric current?

The current for facial and scalp treatments is measured in:

A measurement of how much electricity is being used in one second is a(n):

A special device that prevents excessive current from passing through a circuit is a(n):

Currents used in electrical facial and scalp are called:

The negative or positive pole of an electric current is referred to as the:

A positive electrode is called a(n):

What is the process of infusing water-soluble products into the skin using electric current?

Cataphoresis forces acidic substances into deeper tissues using galvanic current from the:

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

What is another term for Tesla high-frequency current?

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

What term refers to the distance between two successive peaks of electromagnetic waves?

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

It is estimated that one in five Americans will develop skin cancer and that 90 percent of those cancers will be the result of exposure to:

What is a type of cold light that is blocked by the ozone layer?

What term refers to substances that speed up chemical reactions?

Light therapy is known as:

All lasers work by selective _____, a process that turns the light from the laser device into heat.

What general term refers to a color component within the skin such as blood or melanin?

Which LED therapy is associated with increasing circulation and improving collagen and elastin production in the skin?

The movement of electrons from one atom to another along a conductor is called

Electric wires can be covered with a material that does not transmit electricity such as a rubber or plastic coating. This material is known as

An apparatus that changes direct current to alternating current is

For safety, use no more than _______plugs(s) in each outlet

Only licensed professionals should use

All lasers work by a process known as selective__________

Grounding completes ______and carries the current safely away.

The negative electrode of an electrotherapy device is called

The use of ______light reduces acne and bacteria on the skin