Electricty Flashcards
Since silver and copper transmit electricity, they are called:
a, electrons
b. insulators
c. conductors
d. closed circuits
c. conductors
Materials that do not allow electricity to flow through them are called:
a. insulators
b. conductors
c. open circuits
d. closed circuits
a. insulators
- Material such as glass, rubber or paper around a conductor that does not alow current ot pass through tisi caled a(n):
a. wat
.b prism
c. insulator
d. conductor
c. insulator
- Which of the folowing materials does NOT alow a current ot pas through it? .
a metal
b. water
c. carbon
d. alcohol
d. alcohol
.5 An ampere is a unit of electric:
a strength
b. pressure
.c frequency
d, resistance
a strength
How many milliamperes equal one ampere?
a. 10
b. 100
c. 1000
d. 1000000
c. 1000
A volt is a unit of electric
a. strength
.b pressure
c. frequency
.d resistance
.b pressure
A unit of electrical resistance is called a(n):
a. volt
b. ohm
.c wat
d. insulator
b. ohm
A measure of how much electric energy is being used is known as a:
a. volt
b. watt
c. load
d. conduc
b. watt
A constant electric current flowing in one direction is called a(n):
a.direct current
b. Faradic Current
c. Sinusoidal Current
d. alternating current
direct current
Additional information: Direct current flows continuously in one direction.
Which of the following devices breaks the flow of current when an overload occurs?
a. fuse
b. insulator
c. circuit breaker
d. grounding wire
circuit breaker
Example sentence: A circuit breaker protects circuits from overloads.
Which of the following steps should NOT be followed to break the circuit when a person comes in contact with an electric current?
a. unplug the appliance
b. turn off all circuit breakers
c. touch the person to ground the circuit
d. knock the person out of the circuit using an insulator
c. touch the person to ground the circuit
Additional information: This step can lead to further injury.
The application of special currents (or modalities) that have a variety of effects on the skin is called:
a. light therapy
b. electrotherapy
c. chemical therapy
d. mechanical therapy
electrotherapy
Additional information: Electrotherapy involves the use of electrical currents for therapeutic purposes.
When performing an electrotherapy procedure, what apparatus or current conductor is used to bring the current from the appliance to the client’s skin?
a. wat
b. resistor
c. electrode
d. wal plate
electrode
Example sentence: The electrode is essential for delivering the current to the skin.
The direct current used in electrotherapy treatments is:
Galvanic
Additional information: Galvanic current is a type of direct current used in treatments.
The electrode that is negatively charged during an electrotherapy treatment is known as a(n):
cathode
Additional information: The cathode is the negative electrode.
The process of forcing an acid or alkali into the skin by applying current to the chemical is called:
iontophoresis
Additional information: Iontophoresis is a technique used in skincare treatments.
What temporary effect will a negative electrode pole produce when applying Galvanic Current during an electrotherapy treatment?
increase in blood flow
Example sentence: The negative electrode can stimulate blood circulation.
Which of the following is NOT a temporary effect of the positive pole of Galvanic Current?
produces an acidic reaction
Additional information: The positive pole can have different effects compared to the negative pole.
Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquefied, as in deep-pore cleansing?
desincrustation
Additional information: Desincrustation is a technique used for deep cleansing.
When using Galvanic Current on clients in a salon, what precaution must a salon professional take in order to prevent injury to the client?
do not allow the client to hold the inactive electrode
Additional information: This precaution is important to avoid electric shock.
- Treatment with light rays is called:
a. phoresis
b. light therapy
c. mechanical effect
d. combination cataphoresis
B. light therapy
- Which type of light can be broken into its individual wavelengths by a prism?
a. infrared
b.ultraviolet
c. combination
d. incandescent
C. Combination
32.
The longest wavelengths in the visible spectrum are:
a. red rays
b. violet rays
c. yellow rays
d.ultraviolet rays
A. Red rays
32.
The longest wavelengths in the visible spectrum are:
a. red rays
b. violet rays
c. yellow rays
d.ultraviolet rays
A. Red rays
- A salon owner wants to mimic natural sunlight as closely as possible in the salon reception area. Which type of light would most likely be used ot accomplish this requirement?
a. infrared
b, ultraviolet
c. fluorescent
d. incandescent
D. Incandescent
- A salon owner wants to mimic natural sunlight as closely as possible in the salon reception area. Which type of light would most likely be used ot accomplish this requirement?
a. infrared
b, ultraviolet
c. fluorescent
d. incandescent
D. Incandescent
