Principles of Electricity
light, heat, chemical and magnetic changes are all produced by
electricity
the application of special currents that have a variety of effects on the skin is called
electrotherapy
which technique is performed on the surface of the hair to create a highlighted or lowlighted color effect
A)virgin lighter
B)color glazing
C)freeform painting
D)lighter result touch up
C)freeform painting
a mixture of two or more kinds of molecules, evenly dispersed would be
solution
common reasons for a color change include
A)cover gray
B)enhance existing hair color
C)create a fashion statement
D)all of the above
D) all of the above
the guest experience begins with
building rapport and trust
electrons
when using galvanic current on clients in a salon, what precaution must a salon professional take to prevent injury to the client
A)do not wrap electrodes in moist cotton
B)do not use over an area having broken capillaries
C)do not apply the active electrode to the clients skin
D) do not allow the client to hold the inactive electrode
B)do not use over an area having broken capillaries
a highlighting technique in which a crochet hook is used to pull hair strands through a perforated cap is called
cap method
mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as
suspensions
what color design principle can draw attention away from the texture of a design and focus on the silhouette
repetition
greeting your client with a firm handshake is part of the _____ service essential
connect
the movement of electricity along a path called a conductor is a(n)
which of the following currents has chemical effects that are caused by passing the currents through particular acid or alkali solutions, then through body tissues and fluids
A)EMS
B) galvanic
C)microcurrent
D)high-frequency
B) galvanic
which coloring technique is used to ensure the product thoroughly penetrates the entire strand
base to ends
which of the following terms means liquids not able to be mixed
A) solvent
B)solution
C)miscible
D)immiscible
D)immiscible
the texture of a hair design can be emphasized or de-emphasized based on
color patterns
producing a functional, predictable and pleasing result is part of the ___ service essential
create
materials that best transport electricity are called
conductors
the electrode that is negatively charged during a electrotherapy treatment is known as
cathode
which of the following techniques is generally referred to as a retouch application
A)base to ends
B)base
C)ends to base
D)base, then midstrand to ends
B) base
which of the following statements about surfactants is not true
A)contains a lipophilic part
B)contains a hydrophilic part
C)used to remove oil from the hair
D)prevents shampoo from lathering
D)prevents shampoo from lathering
selective color placement in as specific area can create a
focal point
asking questions and analyzing the clients anatomical features is part of the ___ service essential
consult
which of the following materials does NOT allow a current to pass through it
A)metal
B) water
C) Carbon
D)alcohol
D) alcohol
what temporary effect will a negative pole produce when applying galvanic current during a electrotherapy treatment
increase blood flow
a technique popular with clients who request ombre is
A)stripping
B)base to ends coloring
C)lightening
D)away from the base coloring
the oil loving part of a surface active agent is called
lipophilic
the three levels of observation are basic, detail and
abstract
reinforcing the guest's satisfaction is part of the ____ service essential
complete
am ampere is a unit of electric
strength
muscle contractions
when too many appliances are put on one circuit and are operated at th4e same time, more current flows than designed to carry this is known as
overload
the ability of hair to absorb moisture, liquids or chemicals refers to the hairs
porosity
which design principle changes from one color to another repeatedly
alternation
the client record houses the following information EXCEPT
A)contact information
B)color formulation
C)processing time
D)legal information
D) legal information
a volt is a unit of electric
pressure
if a cream is used during scalp or other high-frequency treatments, be sure the cream contains no
alcohol
fires in electrical circuits can occur if
too many appliances use the same wall socket and overload the circuit
how far can healthy hair be stretched without breaking when wet
50%
which design principle refers to an ascending or descending scale of colors
progression
draping for a color service should include a cape and ______
towels
a measure of how much electrical energy is being used is known as a
watt
a salon owner wants to balance the tones of light in the salon, which type of light would likely be incorporated?
A) infrared
B)ultraviolet
C)florescent
D)incandescent
D)incandescent
dropping an electrical appliance into water, making it a foreign conductor, causes a(n)
short circuit
rinses, which affect mostly the surface of the hair
A)repair broken bonds of the hair
B)usually penetrate deep into the hair
C) can be detrimental if allowed to build up on the hair
D)are usually left on the hair for 30 minutes before removing
C)can be detrimental if allowed to build up on the hair
which of these design principles repeats one color in a given area
A)repetition
B)alternation
C)progression
D)contrast
A)repetition
a predisposition test should be performed how many hours before a color service
24-48
a current in which electrons move at an even rate and flow in only one direction is called
direct current
which is a benefit of using infrared light during a facial
A)kills bacteria
B)produces vitamin D
C)increases circulation
D)helps control dandruff
C) increases circulation
which device(s) breaks the flow of current when an overload occurs
circuit breaker
which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex
body-building conditioner
which of these design principles creates a relationship of opposites
A)repetition
B)alternation
C)progression
D)contrast
D)contrast
a skin patch test will help determine
if the client has a sensitivity or an allergic reaction
when a blow dryer is on and air begins to flow, you have an example of a(n)
closed circuit
which of the following benefits is derived from UV light
A)it burns the skin
B)it causes skin infections
C)small doses tan the skin
D)it photochemically damages the hair
C)small doses tan the skin
which of the following actions should NOT be done if a fire results from an overload of an electric circuit
A)put water on it
B)turn off the circuit
C)use a fire extinguisher
D)smother it with a rug or heavy towel
A)put water on it
if a product label lists the following ingredients:
"water, cetyl alcohol, tocopherol and panthernol"
which ingredient would be found to have the largest amount
water
what are examples of dimensional coloring
weaving, slicing, free form painting, cap
what does adding multi colors to hair achieve
dimensional look