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Test your basic knowledge |
Basic Of Electricity 2
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.
cataphoresis...
kilowatt
complete electric circuit
alternating current
2. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.
light- emitting
resistance
rectifier
visisble spectrum of light
3. Positively charged particles are repelled by what regions
wavelength
conductor
postively charge
light therapy
4. Also known as insulator; a material that does not transmit electricity.
complete electric circuit
converter
nonconductor
rectifier
5. The movement of particles around an aton that creates pur energy.
electric current
volt
waveform
microcurrent
6. Prevents excessive current from passing through a circuit.
cataphoresis...
cathode
fuse
electricity
7. Electrode of anelectherapy device that is used on the area to be treated
postively charge
concentration and electrical
active electrode
electric current
8. Meassurements of the distance between two wavelength.
kilowatt
waveform
alternating current
electric current
9. A measure of factors that inhibit the flow of electricity
fuse
grounding
resistance
rectifier
10. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.
active electrode
electrical gradient
circuit breaker
anode
11. A color componet within the skin such as blood or melanin.
iontophoresis...
rectifier
chromophore
visisble spectrum of light
12. Process of infusing water - soluble products into the skin with the use of electric current - such as the use of positive and negative poles of a galvanic machine.
fuse
iontophoresis...
kilowatt
volt
13. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.
concentration and electrical
negatively charge
electrical gradient
cathode
14. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source
modelities
complete electric circuit
iontophoresis...
kilowatt
15. Abbreviated AC; rapid and interrupted current - flowing first in one direction and then in the opposite; produced by mechanical means and charges directions 60 times per second.
voltage
alternating current
fuse
electric current
16. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.
conductor
electrical gradient
desincrutation
visisble spectrum of light
17. Abbreviated UV light and and also known as cold light or actinic light; invisble light that has a short wavelength (giving it higher energy) is less penetrating then visisble light - causes chemical reactions to act more quickly than visisble light -
ohm
converter
electric current
ultravilet light
18. Aparatus that changes direct current to alternating current
electricity
light- emitting
converter
resistance
19. Flow of a electricity of a conductor.
light therapy
cataphoresis...
potential difference
direct current
20. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.
electrode
cathode
microcurrent
resistance
21. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.
electricity
modelities
volt
miliampere
22. Aparatus that changes alternating current (AC) to direct current (DC).
fuse
electricity
grounding
rectifier
23. An exstremely level of electricity that mirrors the body natural electrical impules.
grounding
ohm
microcurrent
tesla high frequency current
24. Infared light has no longer wavelenght - penetrates and more deeply - has less energy - and produeces more heat then vivsisble light; makes up 60% of natural light.
intense pulse light
infared light
electric current
fuse
25. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.
infared light
ohm
intense pulse light
light therapy
26. Completes an elctric circuit and carries the current safety away.
rectifier
converter
light therapy
grounding
27. Abbriviated K; 1 -000 watts
electrode
cataphoresis...
kilowatt
active electrode
28. A difference in electrical charge in one region compared to another
cataphoresis...
chromophore
iontophoresis...
voltage
29. Also known as violet ray; thermal heat producing current with a high rate of oscillation or vibration thats is commonly used for scalp and facial treatmeants
resistance
electromagnetic spectrum
ultravilet light
tesla high frequency current
30. Positively charged particles are attracted to what regions
postively charge
negatively charge
watt
kilowatt
31. Distance between successive peaks of elctromagnetic waves.
light therapy
iontophoresis...
ampere
wavelength
32. Substance that speed up chemical reactions.
direct current
fuse
catalyts
electrode
33. Abbreviated O; unit that measure the resistance of a electric current
light- emitting
ohm
cathode
modelities
34. Gradients that make up the electrochemical gradient
photothermolysis...
ampere
chromophore
concentration and electrical
35. Opposite pole from the electrode.
wavelength
microcurrent
cataphoresis...
inactive alactrode
36. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.
conductor
electrode
anode
watt
37. A medical device thtat uses mutiple color and wavelenghts (broad spectrum) of focus light to treat spider veins - hyperpigmentation - rosacea - and redness - wrenkles - enlarged hairfollocles and pores - and ecessive hair.
catalyts
inactive alactrode
intense pulse light
rectifier
38. Abbreviated W; unit that messure how much electric energy is being used in one second
watt
iontophoresis...
circuit breaker
chromophore
39. Process that turns the light from a medical laser device into heat.
postively charge
photothermolysis...
kilowatt
infared light
40. Charged particles travel through this gradient
electrical gradient
fuse
light- emitting
chromophore
41. Any material that conducts electricity.
iontophoresis...
rectifier
conductor
resistance
42. Light at either end of the spectrum of light that is invisisble to the naked eye.
cathode
invisible light
desincrutation
kilowatt
43. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light
invisible light
visisble spectrum of light
potential difference
ultravilet light
44. Abbreviated mA; 1/1 -000 of an ampere
ohm
tesla high frequency current
miliampere
watt
45. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.
light- emitting
conductor
anaphoresis...
desincrutation
46. Also known as electromagnetic spectum of radiation; name given to all of the forms of energy (or radiation) that exist.
conductor
electromagnetic spectrum
active electrode
ohm
47. Another name for voltage
conductor
potential difference
negatively charge
ohm
48. Currents used in electrical facil and scalp treatments
electric current
modelities
inactive alactrode
kilowatt
49. Abbreviated and also known as amp; unit that measures the strength of an electric current.
ampere
cataphoresis...
circuit breaker
light- emitting
50. Negative pole or positive pole of an electric current
intense pulse light
volt
polarity
catalyts