Chapter 9 electricity Flashcards

0
Q

Amp (ampere)

A

Standard unit for measuring the strength of electrical current or the rate of flow of change in a conductor. Also called an amp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Alternating current (ac)

A

Rapid and interior current, flowing first in one direction then the opposite direction amp a unit measures the strength of an electric current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Anaphoresis

A

Process of forcing substances into tissue using galvanic current from the negative towards the positive pole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Anode

A

Positive Electrode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cataphoresis

A

Process of forcing substances into tissue using galvanic current from the positive towards the negative pole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cathode

A

Negative electrode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Circuit breaker

A

Switch that automatically interrupts or shuts off an electric circuit at the first sign of overload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Complete circuit

A

the path of an electronic current from the generating source through the conductor and back to it original source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Conductor

A

Any substance, medium, or material that conducts electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Converter

A

An apparatus that changes direct current to alternating current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Desincrustation

A

Process used to soften and emulsify oil and blackheads in the hair follicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Direct current (DC)

A

Constant current that travels in one direction only and produces a chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Electric current

A

The flow of electricity along a conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Electrode

A

An applicator used to electric current from a machine to the skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Electrotherapy

A

Electronic scalp and facial treatments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Faradic current

A

Alternating current that produces a mechanical reaction without chemical effects

16
Q

Fuse

A

Device that prevents excessive current from passing through a circuit

17
Q

Galvanic current

A

Constant and direct current, having a positive and negative pole , that produces chemical changes in tissues and body fluids

18
Q

Ground fault circuit interrupter

A

A device that senses imbalances in an electric current

19
Q

Infrared rays

A

Invisible rays with long wavelengths and deep penetration; produce the most heat of any therapeutic light

20
Q

Insulator

A

Substance that does not easily transfer electricity

21
Q

Iontophoresis

A

Process of introducing water soluble products into the skin through the use of electric current

22
Q

Modalities

A

Current used in electric facial and scalp treatments

23
Q

Ohm (O)

A

The unit of electrical resistance in an electric current

24
Polarity
Negative or positive pole of an electric current
25
Rectifier
Apparatus that changes alternating current to direct current
26
Rheostat
An adjustable resistor used for controlling current in a circuit
27
Sinusoidal current
Alternating current used in scalp and facial manipulations that produce mechanical contractions
28
Telsa high-frequency current
Thermal or heat-producing current with a high oscillation rate ; also known as the violent ray.
29
Ultraviolet light
Invisible rays, with short wavelength and minimal skin penetration, that produces chemical effects and kill germs ; also called actinic or cold rays.
30
Visible light
Electromagnetic radiation that can be seen by the human eye
31
Volt (V)
A unit of electrical pressure that pushes the flow of electrons forward through a conductor
32
Watt (W)
The unit of power (amperes multiplied by Volts) indicating how much electric energy is being used in one second
33
Wavelength
Distance between two successive peaks of electromagnet waves