FREE AND STUDY GAMES ABOUT ELECTRICITY EXAM

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FREE AND STUDY GAMES ABOUT ELECTRICITY EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -45 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: a medical device that used multiple colors and wavelengths (broad spectrum) of focused light to treat spider veins, hyperpigmentation, rosacea and redness, wrinkles, enlarged hair follicles and pores, and excessive hair

Answer:

intense pulse light Question 2: light at either end of the visible spectrum of light that is invisible to the naked eye

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invisible light Question 3: Abbreviated DC; constant even-following current that travels in one direction only and is produced by chemical means

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direct current Question 4: abbreviated W; unit that measures how much electrical energy is being used in one second

Answer:

watt

Question 5: abbreviated A and also known as amp(AMP); unit that measure the strength of an electric current

Answer:

ampere

Question 6: abbreviated KW; 1,000 watts

Answer:

kilowatt

Question 7: abbreviated mA; 1/1000 of an ampere

Answer:

miliampere

Question 8: completes an electric circuit and carries the current safely away

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grounding Question 9: apparatus that changes alternating current (AC) to direct current (DC)

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rectifier Question 10: abbreviated LED; a medical device used to reduce acne, increase blood circulation, and improve the collagen content in the skin

Answer:

light-emitting diode

Question 11: measurement of the distance between two wavelengths

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waveform Question 12: positive electrode of an electrotherapy device; the anode is usually red and is marked with a P or a plus (+) sign

Answer:

anode

Question 13: an extremely low level of electricity that mirrors the body's natural electrical impulses

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microcurrent Question 14: abbreviated O; unit that measures the resistance of an electric current

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ohm Question 15: abbreviated AC; rapid and interrupted current, flowing first in one direction and then in the opposite direction; produced by mechanical means and changes directions 60 times per second

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alternating current Question 16: can also be referred to as phototherapy; the application of light rays to the skin for the treatment of wrinkles, capillaries, pigmentation or hair removal.

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light therapy Question 17: process of infusing water-soluble products into the skin with the use of electric current, such as the use of the 0ositie and negative poles of a galvanic machine

Answer:

iontophoresis

Question 18: a color component within the skin such as melanin of blood

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chromophore Question 19: the movement of electrons from one atom to another along a conductor

Answer:

electricity

Question 20: process of infusing alkaline (negative) products into the tissues form the negative pole toward the positive pole.

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anaphoresis Question 21: has longer wavelengths, penetrates more deeply, has less energy, and produces more heat than visible light; it makes up to 60% of natural sunlight

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infared light

Question 22: flow of electricity along a conductor

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electric current Question 23: The path of negative and positive electric currents moving from the generating source through the conductors and back to the generating source

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complete electric circuit

Question 24: substances that speed up chemical reactions

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catalyst

Question 25: prevents excessive current from passing through a circuit

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fuse Question 26: the part of the electromagnetic spectrum that can be seen, visible light makes up only 35% of natural sunlight

Answer:

visible spectrum of light

Question 27: currents used in electrical facial and scalp treatments

Answer:

modalities