PART 2: GENERAL SCIENCES / CHAPTER 8: Basics Of Electricity Flashcards
What does the acronym LED stand for?
Light-emitting diode
What measure is one-thousandth of an ampere?
Milliampere
What term refers to currents used as electrical facial and scalp treatments?
Modalities
What apparatus changes alternating current to direct current?
Rectifier
What describes Tesla high-frequency current?
High rate of oscillation & vibration.
What is a description of white light?
Combination of all the visible rays of the spectrum.
What is yellow LED light used for?
Reducing inflammation & swelling.
What is red LED light used for?
Stimulating circulation
What is green LED light used for?
Detoxifying the skin
What is the primary source of light used in facial & scalp treatments?
Visible light
What is a device in which UVA radiation is used?
Tanning bed
What is a term commonly used in reference to UVB radiation?
Burning light
What is true of UVC radiation?
It is the most dangerous type of UV radiation:
What term refers to a color component within the skin such as blood or melanin?
Chromophore
How does red LED light affect cellular processes?
Increases cellular processes
What is NOT a condition that intense pulsed light is used to treat?
Albinism
What is wavelength?
Distance between two successive peaks of electromagnetic waves.
What does a watt measure?
How much electric energy is used in ine second.
What do volts measure?
Force pushing electrons forward through a conductor.
What do ohms measure?
Resistance of electric current
What is the term for a rapid and interrupted current, flowing first in one direction and then in the opposite direction?
Alternating current
What is the term for a constant, even-flowing current that travels in one direction only?
Direct current
What unit measures the amount of an electric current?
Amp
What type of LED light is used to treat acne?
Blue
What is the term for a negative electrode?
Cathode
What is the movement of particles around an atom that creates pure energy?
Electricity
What should you do on a regular basis?
Inspect electrical equipment
What is ionization?
Introducing water-soluble products into the skin with electric current.
What is cataphoresis?
Forcing acid substances into deeper tissues using galvanic current.
What is anaphoresis?
Forcing liquids into tissues from the negative to the positive pole.
What is the other method for applying high-frequency current,besides indirect application?
Direct surface application
What percentage of natural sunlight does invisible infrared light comprise?
60
What is a complete circuit?
Path of current from the source through conductors and back.
What is the term for any substance that easily transmits electricity?
Conductor
What is the device that prevents excessive current from passing through a circuit?
Fuse
What completes a circuit and carries the current safely away?
Ground
What are invisible rays with long wavelengths?
Infrared light rays
What is the term for a substance that does not easily transmit electricity?
Insulator
What is the measurement for 1000 watts?
Kilowatt
What is NOT a condition treated with light therapy?
Obesity
