Ch 13 Flashcards
When electricity is in motion it exhibits magnetic, ______, or thermal effects.
a. unchemical
b. nonchemical
c. chemical
d. biochemical
c. chemical
What is the movement of electrons from one atom to another along a conductor?
a. Electron transport
b. Electronics
c. Electrical charge
d. Electricity
d. Electricity
Which material is a good conductor of electricity?
a. Rubber
b. Silk
c. Glass
d. Copper
d. Copper
What is another name for materials that are nonconductors?
a. Insulators
b. Inverters
c. Converters
d. Rectifiers
a. Insulators
Rubber, silk, wood, and glass are common examples of _____.
a. modalities
b. currents
c. insulators
d. converters
c. insulators
The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____ electric circuit.
a. integrated
b. complete
c. linear
d. direct
b. complete
What are two types of electric current?
a. Static and alternating
b. Direct and converted
c. Static and converted
d. Direct and alternating
d. Direct and alternating
Which phrase best describes direct current?
a. Rapid and interrupted flow
b. Associated with wall outlets
c. Produced by chemical means
d. Travels in two directions
c. Produced by chemical means
Rapid and interrupted current that flows in one direction and then in the opposite direction is known as _____ current.
a. alternating
b. auxiliary
c. direct
d. sporadic
a. alternating
The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) _____.
a. amp
b. electron
c. rectifier
d. volt
d. volt
Normal electric wall sockets that power a hair dryer or curling iron are _____ volts.
a. 100
b. 120
c. 200
d. 220
b. 120
What unit measures the strength of an electric current?
a. Ampere
b. Ohm
c. Volt
d. Watt
a. Ampere
The current for facial and scalp treatments is measured in _____.
a. watts
b. kilowatts
c. voltages
d. milliamperes
d. milliamperes
What unit measures the resistance of an electric current?
a. Ampere
b. Ohm
c. Watt
d. Volt
b. Ohm
A measurement of how much electricity is being used in one second is a(n) _____.
a. watt
b. ohm
c. kilowatt
d. volt
a. watt
A special device that prevents excessive current from passing through a circuit is a(n) _____.
a. amp
b. ampere
c. fuse
d. insulator
c. fuse
When working with electricity, appliances with a _____ offer the most protection for you and your clients.
a. two-prong plug with both prongs the same size
b. two-prong plug with one prong slightly larger
c. three-prong plug
d. grounded universal plug
c. three-prong plug
All the electrical appliances you use should be _____ certified.
a. AMA
b. GFI
c. UL
d. UV
c. UL
The use of electrical currents to treat the skin is commonly referred to as _____.
a. electrotherapy
b. electronics
c. receptacles
d. electromagnetics
a. electrotherapy
Currents used in electrical facial and scalp are called _____.
a. modalities
b. electrolytes
c. galvanic currents
d. polarities
a. modalities
An applicator that directs electric current from a machine to the client’s skin is a(n) _____.
a. electrode
b. modality
c. converter
d. rectifier
a. electrode
The negative or positive pole of an electric current is referred to as the _____.
a. electrode
b. current
c. modality
d. polarity
d. polarity
A positive electrode is called a(n) _____.
a. anode
b. active electrode
c. cathode
d. modality
a. anode
What is the process of infusing water-soluble products into the skin using electric current?
a. Desincrustation
b. Iontophoresis
c. Anaphoresis
d. Cataphoresis
b. Iontophoresis
Cataphoresis forces acidic substances into deeper tissues using galvanic current from the _____.
a. positive toward the negative pole
b. inactive toward the electric pole
c. negative toward the positive pole
d. negative toward the ohm pole
a. positive toward the negative pole
What term refers to a form of anaphoresis used to treat acne, milia, and comedones?
a. Cataphoresis
b. Iontophoresis
c. Desincrustation
d. Diaphoresis
c. Desincrustation
What term refers to an extremely low level of electricity that mirrors the body’s natural electrical impulses?
a. Macrocurrent
b. Tesla current
c. Galvanic current
d. Microcurrent
d. Microcurrent
What is another term for Tesla high-frequency current?
a. Violet ray
b. Acidic current
c. Direct current
d. Electrode current
a. Violet ray
What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?
a. White light
b. Tesla high-frequency
c. Alternating current
d. Battery current
b. Tesla high-frequency
What term refers to the distance between two successive peaks of electromagnetic waves?
a. Radiation length
b. Wavelength
c. Therapy length
d. Wave distance
b. Wavelength
What is the shortest and least penetrating light of the electromagnetic spectrum?
a. Blue light
b. Infrared light
c. Ultraviolet light
d. Red light
c. Ultraviolet light
UV light prompts the skin to produce _____, a fat-soluble vitamin that is good for bone growth and health.
a. vitamin A
b. ascorbic acid
c. riboflavin
d. vitamin D
d. vitamin D
It is estimated that one in five Americans will develop skin cancer and that 90 percent of those cancers
will be the result of exposure to _____.
a. UV radiation
b. X-rays
c. microwaves
d. infrared rays
a. UV radiation
What is a type of cold light that is blocked by the ozone layer?
a. Microwaves
b. UVC
c. Infrared light
d. X-rays
b. UVC
What part of the electromagnetic spectrum has rays that penetrate more deeply and produce more heat than visible light?
a. X-rays
b. Ultraviolet light
c. Radio waves
d. Infrared light
d. Infrared light
What term refers to substances that speed up chemical reactions?
a. Agents
b. Catalysts
c. Substrates
d. Promoters
b. Catalysts
Light therapy is known as _____.
a. thermal therapy
b. spectrum therapy
c. pulse therapy
d. phototherapy
d. phototherapy
All lasers work by selective _____, a process that turns the light from the laser device into heat.
a. catalyst reaction
b. phototherapy
c. photothermolysis
d. radiography
c. photothermolysis
What general term refers to a color component within the skin such as blood or melanin?
a. Chromosome
b. Chromatin
c. Chromophore
d. Chromotype
c. Chromophore
Which LED therapy is associated with increasing circulation and improving collagen and elastin production in the skin? a. Blue light LED b. Red light LED c. Yellow light LED d. Green light LED
b. Red light LED
