Cos chapter 13 | Quiz

A medical device that uses multiple colors and wavelengths of focused light to treat conditions such as excessive hair and spider veins is _____________

Ultraviolet C (UVC) light ____________

The device that prevents excessive current from passing through a circuit is called ___________

All the electrical appliances you use should _____________

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

A wavelength is the distance between successive peaks of ___________ waves 

The use of _____________ light reduces acne and bacteria on the skin 

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

Microcurrent can be used to ________ and restore elasticity 

When using _____________, the active electrode is the electrode used on the area to be treated 

The unit that measures how much electric energy is being used in one second is ______________

An apparatus that changes direct current to alternating current is _____________

Grounding completes _____________ and carries the current safety away 

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

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

Which unit measures the resistance of an electric current? 

When ____________ is heated, it produces positive and negative ions that cancel the electric charges in the hair that cause static electricity 

Invisible light is the light at either end of the ___________ that is invisible to the naked eye 

Only licensed professionals should use _______________

A process that infuses an alkaline product into the tissues from the negative pole toward the positive pole is called ______________

All lasers work by a process known as selective ___________

The negative electrode of an electrotherapy device is called _____________

A device that works by releasing lights onto skin to stimulate specific responses at precise depths of the skin tissue is ____________

A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is ____________

Constant and direct current, having a positive and negative pole, which produces chemical changes when it passes through the tissue and fluids of the body is known as __________current 

Catalysts are substances that speed up ________ 

The unit that measures the pressure of force that pushes the electric current forward through a conductor is ____________

The application of UV light must be done with the utmost care in a proper manner by a qualified professional because overexposure can lead to skin __________

The term ____________ refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction 

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 ____________