Electricity Flashcards
TRUE OF FALSE
All electrical equipment must be inspected regularly to avoid electrical shock, burn or fire.
TRUE
What is the unit of measurement for electrical pressure?
Volt
What is the unit of measurement for intensity/strength?
Ampere
A device that changes alternating current (AC) to direct current (DC) is called a ___________
Rectifier
In what direction does a Direct Current (DC) Flow?
In one direction from negative to positive.
What is another name for constant direct current?
Galvanic Current
What is Disincrustation?
Saponification of the sebum by using a direct current (DC)
Disincrustation is a treatment mainly used on_________.
Oily Skin
During Disincrustation the positive pole of the galvanic unit should be:
Held in the client’s hand or on the body.
What are the advantages of Iontophoresis?
Water-Based ingredients are forced into deeper layers of the skin.
What is the unit of measurement for electrical pressure?
Volt
What is the chemical reaction under the positive electrode?
Acidic
What is the chemical reaction under the Negative electrode?
Alkaline
Material that easily transports electricity is a(n) ________.
Conductor
Materials that do not allow the transport of electricity, are called:
Insulator or Non-Conductor
When electrical appliances are not in use, all of the following precautions should be taken:
- Unplug appliance
- Turn appliance off
- Store in a safe place
The path on which electricity travels is a(n)
Closed Circuit
How is Alternating Current (AC) characterized?
By the ongoing change of directions of electrons on a metal conductor.
What is produced between the skin and the outside of the glass electrode of the High Frequency machine?
Ozone Gas
What is the correct name of the current used for the High Frequency machine?
High Frequent Alternating Current
What is the correct name of the current used for the Faradic Machine?
Interrupted Direct Current
Which of the following categories belong to the field of physics?
- Sound
- Electricity
- Heat
TRUE OR FALSE
Galvanic Current can be obtained from a battery.
TRUE
TRUE OR FALSE
The electric outlets in a building In the USA supply galvanic current.
FALSE.
In the U.S. electric current is alternating current.
The weakest part of a circuit is the:
Fuse or Circuit Breaker
Electrotherapy is applied with the use of a(n) ________.
Electrode
What does phoresis mean?
To move
Never administer electrical treatments to a client with_________.
- Epilepsy
- Pacemaker
- Open Lesions
- Pregnant
- Diabetes
- High Blood Pressure
- Metal Implants
- Pus is present
What is the name of the process used to soften and saponify sebum and Comedones?
Disincrustation
A negatively charged electrode is called a(n)__________.
Cathode
A positively charged electrode is called a(n)___________.
Anode
EMS is used chiefly to cause__________.
Muscle Contraction
An electrical treatment that uses sound waves is _________.
- Ultrasound
* Ultrasonic
Vacuum suction treatment contraindications:
- Inflammed Skin
- Pus Present Rosacea
- Sunburn
- Crepey Skin
- Hairy Areas
- Bony Areas
- Breast Tissue
- Blood Clots
An electrolyte is_______.
A substance which when dissolved in water splits into ions.
Which skincare machine supplies galvanic current?
A machine for Iontophoresis.
An example of an electrolyte is
Salt Solution
A machine for Iontophoresis is likely to contain__________.
A transformer and a rectifier.
The human body is __________.
A good electrical conductor because it contains electrolytes.
The measurement unit if frequency is
Hertz
For electrical current to flow, what are the requirements.
Conductor
Closed Circuit
Power Source
In electricity frequency means:
The number of times per second an electron changes direction.
Unit they measures strength of electrical current is________.
Ampere
What is the meaning of Alkaline?
PH factor above 7. Indicates base.
What is an alternating current?
Rapid and interrupted current, back and forth, produced by mechanical means changes directions 60 times per second.
What is the process of infusing an alkaline (negative) product into the skin from the negative pole towards the positive pole.
Anaphoresis
What is an Anion?
Negatively charged ions. They must have hydrogen and are water based.
What is inert gas that lights up in a high frequency glass electrode?
Argon
If excessive current passes through a circuit or fuse the circuit breaker;
turns off the circuit to prevent fire
TRUE OR FALSE
A wire that is not large enough to carry the current passing through the wire will overheat.
TRUE
A fuse prevents excess current from passing through a circuit because;
it is designed to heat up and blow out to open the circuit.
To reconnect the circuit after a fuse has blown, you must;
- disconnect the appliance
- check all connections
- inseret a new fuse and reconnect the appliance.
Grounding,
completes the circuit and carries the electricity away
A grounding pin, on an electrical plug,
- guarantees a safe path for electricity
- protects the user from electrical shock
A ground fault interrupter is designed to protect from electrical shock by
interrupting a household circuit when there is a leak
What is Underwriters Laboratories? (UL)
Agency to certify the safety of electrical appliances
The unit of measurement of electrical pressure ________________.
Volts
The electric current is _____________________________
the flow of electricity along a conductor
What is a conductor
material that allows electricity to flow
Electricity happens when_______________________
electrons more from one place to another along a conductor.
What is material stops the flow of electricity?
Insulator
What is as circuit?
A pathway for the flow for use of electricity
What is static electricity?
stationary electric charge
Who discovered electricity?
Ben Franklin
Batteries produce electricity by
changing stored chemical energy into electrical energy
TRUE OR FALSE
Electricity a flow of negative electrons?
False
A rectifier_________________________
changes alternating current to direct current
What is an ampere?
The unit of measurement for electrical intensity/strength.
What is another name for a direct current?
Galvanic
What is disincrustation?
Saponification of sebum using Direct Current.
A killowatt is______________________________
a measurement of electrical use.
What is a watt?
A unit that mesures amount of electricity used.
What is as Ohm?
a unit that measuresthe resistanceof an electrical current
A miliampere is _______________
1/1,000 of an ampere
What is an inverter?
apparatus that changes direct current to alternating current.
What is disincrustation?
Saponification of sebum using direct current.
What is an inverter?
apparatus that changes direct current to alternating current.
What is the definition of electricity?
The net flow of electrons along a conductor
A conductor;
conducts electricity
Define insulator;
a non-conductor
A direct current is a constant current flowing in one direction. This is also referred to as;
galvanic current
Alternating current is;
a rapid and interrupted current, flowing first in one direction then the other
Define volt;
a unit of measure of the force or pressure of an electric current
Define ampere;
the unit that measures the strength of electrical current
Define miliampere;
1/1000 of an ampere
Define watt;
the measure of how much electricity is consumed in one second
Define kilowatt;
a kilowatt is 1000 watts
What is a fuse?
fuse prevents excessive current from passing through a circuit
What is a circuit breaker?
a switch that automatically interrupts or shuts off an electric circuit
Define grounding;
completes an electric circuit and safely carries away current into the ground
What is a ground fault interrupter?
It interrupts a household circuit when there is a leak in the circuit
What does Underwriter’s laboratories do?
certifies the safety of electrical appliances
