Basics if Electricity Flashcards
What does LED stand for?
light-emitting diode
What measure is one-thousandth of an ampere?
miliampere
What term refers to currents used as electrical facial and scalp treatments?
modalities
What apparatus changes alternating current to direct current?
rectifier
What describes Telsa high-frequency current?
high rate of oscillation and vibration
What is a description of white light?
combination of all visible rays of the spectrum
What is yellow LED light used for?
reducing imflammation and 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 for facial and light 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 dangeroud type of UV radiation
What term refers to a color componnent within the skin such as blood or melanin?
chromophore
How does red LED light affect cellular processes?
increases cellular processes
Distance between two successive peaks of electromagnetic waves:
wavelength
What measures electric energy used in one sec?
watt
What measures force pushing electrons forward through a conductor?
volts
What measures resistance of electric current?
ohms
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 skinwith electric current
What is cataphoresis?
forcing acidic substances into deeper tissues using galvanic current
What is anaphoresis?
Forcing liquids into tissues from the negative towards the positive pole
What is the other method for applying high-frrequency current besides indirect application?
direct surface application
What percentage of natural sunlight does invisible infared sunlight comprise?
60%
Path of current from the source through conductors and back?
complete circuit
What is the term for any substance easily transmits electricity?
conductor
What is the device that prevents excessive current from passing through a circuit?
fuse
What completes a circut and carries the current safely away?
ground
What are invisible rays with long wavelengths?
infared light rays
What is the term for a substance that does NOT easily transmit electricity?
insulator
What is the measurement for 1,000 watts?
kilowatt
