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Chapter 13 review
| Question | Answer |
|---|---|
| An insulator or _____ is a substance that does not easily transmit electricity. | Nonconductor |
| What electrical term is abbreviated AC? | Alternating current |
| What apparatus changes (AC) to direct current (DC)? | Rectifier |
| The term used for measuring the strength of an electric current is _______ | Ampere |
| What unit of measurement is 1/1,000 of an ampere? | Milliampere |
| The term used for measuring the resistance of an electric current is ________ | Ohm |
| The term used for measuring how much electric energy is being used in one second is ____ | Watt |
| Which safety devices prevent the overheating of electric wires? | Fuses and circuit breakers |
| Which apparatus conducts electric current from an electrotherapy device to the client's skin? | Electrode |
| A positive electrode is called a(n) | Anode |
| Commonly used modalities in cosmetology are Tesla high-frequency current, microcurrent, and _______ | Galvanic current |
| The process of introducing water-soluble products in to the skin with use of electric current is known as __________ | Iontophoresis |
| What process forces acidic substances into deeper tissues using galvanic current from the positive pole to the negative pole? | Cataphoresis |
| The process used to soften and emulsify grease deposits and blackheads in the hair follicles is called _______ | Deincrustation |
| An extremely low level of electricity that mirrors the body's natural electricity impulses is known as ________ | Microcurrent |
| 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? | Violet ray |
| An instrument producing moist, uniform heat that can be applied to the head or face is called a ________ | Steamer |
| The distance between two successive peaks of electromagnetic waves is called _________ | Wavelength |
| Thirty-five percent of natural sunlight is made up of ______ | Visible light |
| Ultraviolet rays, also known as cold light, make up ________ percent of natural light | 5 |
| The type of light blocked by the ozone layer is ______ | UVC |
| Infrared lamps are primarily used during hair conditioning treatments and to ______ | Process haircolor |
| Laser is the acronym for __________ | Light amplification stimulation emission of radiation |
| Removing blood vessels, disabling hair follicles, and eliminating some wrinkles may be accomplished using various _______ treatments | Laser |
| LED is the abbreviated version of ________, which is used in treatments to reduce acne and increase skin circulation | Light-emitting diode |
Created by:
Cos 2B