electricity Flashcards
The minimum distance an infrared lamp must be placed from the client’s face during a facial is:
a. 10 in
b. 18 in
c. 24 in
d. 30 in
30 inches
Light, heat, chemical and magnetic changes are all produced by:
a. force
b. electricity
c. conductors
d. a short circuit
electricity
High-frequency current is an alternating current that can be adjusted to different voltages to produce heat and is also known as:
a. EMS
b. tesla
c. infrared ray
d. ultraviolet
tesla
Which of the following materials does NOT allow a current to pass through it?
a. metal
b. water
c. carbon
d. alchohol
alchohol
The application of special currents that have a variety of effects on the skin is called:
a. light therapy
b. electrotherapy
c. chemical therapy
d. mechanical therapy
electrotherapy