Chapter 13- Basics of Electricity Flashcards Preview

UAHD- Stage 3 > Chapter 13- Basics of Electricity > Flashcards

Flashcards in Chapter 13- Basics of Electricity Deck (42):
1

movement of electrons from one atoms to another along a conductor

electricity

2

electricity is a form of energy that, when in motion, exhibits magnetic _____,or thermal effects

chemical

3

flow of electricity along a conductor

electric current

4

a particularly good conductor and is used in electric wiring as electric motors

copper

5

also known as an insulator is a material that does not transmit electricity

nonconductor

6

good insulators

rubber
silk
wood
glass
cement

7

the path of negative and positive electric current moving from the generating source through the conductors and back to the generating source

complete electric

8

types of electric currents

direct and alternating current

9

constant even flowing current that travels in _____ direction only and is produced by _____________.

direct current
one
chemical means

10

a rapid and interrupted current, flowing first in one direction and then in the opposite direction; it is produced by mechanical means and changes directions 60 times per second

alternating current

11

unit that measures the pressure or force that pushes electric current forward through a conductor

volt

12

normal electric _______ that power hot hair dryers & curling irons are _____ volts

wall sockets
120

13

measures the strength of an electric current

ampere

14

used for facial and scalp treatments

milliamperes

15

unit that measures the resistance of an electric current

ohm

16

measures how much electric energy is being used in one second

watt

17

the electricity in your home is measured in _________ per hour

kilowatt

18

prevents excessive current from passing through a circuit

fuse

19

appliances with a _____ ______ grounding pin offer the most protection for you and your clients

third circular

20

all electrical appliances should be _____

UL certifies

21

use of electrical currents to treat the skin is commonly referred to as __________

electro therapy

22

currents used in electrical facial and scalp treatments are called

modalities

23

also known as a orbs is an applicator for directing electric current from an electro therapy device to the clients skin

electrode

24

negative or positive pile of an electric current

polarity

25

positive electrode

anode

26

process of infusing water-soluble products into the skin with the use of electric current, which as the use of positive and negative poles of a galvanic machine

iontophoresis

27

infused acidic (positive) product into deeper tissues using galvanic current from the positive pile toward the negative pile

cataphoresis

28

form of anaphoresis and is a process used to soften and emulsify grease deposits and blackheads in the hair follicle.

desincrustation

29

extremely low level of electricity thy mirrors the body’s natural electrical impulses

micro current

30

also known and violet ray

Tesla High Frequency current

31

Tesla High Frequency current should no be used on clients who are pregnant, have epilepsy asthma, hugh blood pressure, sinus blockage, _______ or metal implants

pacemaker

32

distance between successive peaks of electromagnetic waves

wavelength

33

has a short wavelength and is less penetrating than visiable light

ultra violent light

34

UV prompts the skin to produce vitamin ___, a fat soluble coromandel that is good for the home growth and heath

D

35

it is estimated that ___ in ___ americans will develop skin cancer and that ____ % of those cancers will be the result of exposure to UV radiation from natural sunlight. sun lamps and tanning beds

1
5
90

36

blocked by the Ozone later

ultra violent C

37

longer wavelengths & penetrates more deeply

Infrared lights

38

substance that speed up chemical reactions

catalysts

39

also known as phototherapy

light therapy

40

process that turns the light from the master device into heat

photothermolysis

41

color component within the skin such as blood or melanin

chromphore

42

_____ light increases circulation and improves collagen and elastin production in the skin

red