Facial electrical Exam Questions And Answers

Hertz - ANS a measurement of frequency Ohms Law - ANS the relationship between Volts, Amps and Ohms eg 12V/3amps= 4ohms Watts or Kilowatts - ANS the unit of measure of electrical power Transformer - ANS Device used to change the voltage of an alternating current Direct Current (D.C.) - ANS All flow in one direction - - + Alternating Current (A.C.) - ANS Current flows one direction then another several times a second Inverse square law - ANS the intensity of the rays from a point source varies with the square of the distance from the source Electromagnetic Spectrum - ANS Different Radiation of wave lengths Rheostat - ANS changes the flow of a current in a circuit switch - ANS completes or breaks a circuit and directs where the current is able to flow rectifier - ANS converts alternating current into a direct current fuse - ANS a safety device that blows when excessive current flows through a circuit protons - ANS positively charged atoms in the nucleus electrons - ANS negatively charged atoms that orbit the nucleus in valency shells ion - ANS a negatively charged atom electricity - ANS a form of energy we cannot see conductor - ANS material that which electricity can flow through eg. copper resistor - ANS reduces the current flow voltage - ANS the driving force (electrical pressure) which pushes the current along In which direction does the green/green and yellow wire in a plug go? - ANS Centre For what length of time should indirect high frequency normally be performed? - ANS 15-20 minutes What is an anion? - ANS an ion with a negative charge Which electrode would you use in order to produce an alkaline reaction? - ANS an negative elecrtode a contraindication that restricts treatment for Iontophoresis? - ANS inflammation a contraindication that restricts treatments for vacuum suction - ANS thin skin Microcurrent works by using frequencies how many times smaller than those used in other types of electrotherapy equipment? - ANS one thousand times Mirocurrent is otherwise known as - ANS Non surgical face lift How should saline solution be removed from the skin? - ANS with damp towel/cotton wool Cataphoresis - ANS The movement of positive ions to the negative pole What is the device that changes voltage called? - ANS a transformer Desincrustation - ANS deep cleansing Iontophoresis - ANS repelling beneficial substances into the skin Steam and gentle exfoliate - ANS cleanses and removes dead skin cells Ramp waveform in Microcurrent - ANS has a PUMPING effect to move lymph Square waveform in Microcurrent - ANS has a LIFTING effect mircocurrent - ANS modified direct current interrupted at low frequencies Neutral Wire - ANS Blue / Black to the left Live Wire / Phase Active - ANS Brown/red to the right Outer Insulation / Flex - ANS protects the wires