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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. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.
intense pulse light
conductor
waveform
anode
2. Negative pole or positive pole of an electric current
light therapy
polarity
photothermolysis...
watt
3. Also known as electromagnetic spectum of radiation; name given to all of the forms of energy (or radiation) that exist.
complete electric circuit
visisble spectrum of light
electromagnetic spectrum
infared light
4. 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.
circuit breaker
intense pulse light
microcurrent
anode
5. Abbreviated and also known as amp; unit that measures the strength of an electric current.
cathode
tesla high frequency current
ampere
desincrutation
6. Abbriviated K; 1 -000 watts
electromagnetic spectrum
kilowatt
cathode
electrode
7. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.
desincrutation
complete electric circuit
anaphoresis...
intense pulse light
8. Another name for voltage
potential difference
visisble spectrum of light
galvanic current
voltage
9. 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.
light- emitting
infared light
electromagnetic spectrum
intense pulse light
10. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.
iontophoresis...
visisble spectrum of light
electricity
cataphoresis...
11. Flow of a electricity of a conductor.
tesla high frequency current
electric current
direct current
volt
12. Positively charged particles are attracted to what regions
negatively charge
polarity
voltage
complete electric circuit
13. Constant and direct current - having a positive and negative pole - that produces chemical changes when it passes through the tissues and fluids of the body.
photothermolysis...
polarity
galvanic current
light- emitting
14. Currents used in electrical facil and scalp treatments
modelities
rectifier
active electrode
invisible light
15. Gradients that make up the electrochemical gradient
ohm
concentration and electrical
electromagnetic spectrum
nonconductor
16. Meassurements of the distance between two wavelength.
waveform
light- emitting
circuit breaker
nonconductor
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 -
nonconductor
ultravilet light
catalyts
light- emitting
18. Positively charged particles are repelled by what regions
conductor
postively charge
alternating current
visisble spectrum of light
19. Movement of charged particles
modelities
active electrode
cathode
electricity
20. A difference in electrical charge in one region compared to another
modelities
rectifier
voltage
electric current
21. Any material that conducts electricity.
cathode
kilowatt
conductor
electric current
22. Aparatus that changes direct current to alternating current
converter
direct current
desincrutation
conductor
23. Abbreviated mA; 1/1 -000 of an ampere
invisible light
light therapy
iontophoresis...
miliampere
24. Opposite pole from the electrode.
fuse
postively charge
inactive alactrode
microcurrent
25. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source
active electrode
complete electric circuit
potential difference
resistance
26. 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.
galvanic current
active electrode
ampere
iontophoresis...
27. A measure of factors that inhibit the flow of electricity
intense pulse light
fuse
anode
resistance
28. 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
tesla high frequency current
circuit breaker
inactive alactrode
volt
29. Substance that speed up chemical reactions.
catalyts
ampere
negatively charge
invisible light
30. The movement of particles around an aton that creates pur energy.
electric current
tesla high frequency current
potential difference
converter
31. Abbreviated W; unit that messure how much electric energy is being used in one second
rectifier
negatively charge
watt
photothermolysis...
32. Distance between successive peaks of elctromagnetic waves.
wavelength
galvanic current
negatively charge
active electrode
33. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.
volt
ohm
inactive alactrode
ultravilet light
34. Process that turns the light from a medical laser device into heat.
photothermolysis...
tesla high frequency current
voltage
visisble spectrum of light
35. Electrode of anelectherapy device that is used on the area to be treated
direct current
active electrode
alternating current
rectifier
36. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.
microcurrent
postively charge
electrode
electromagnetic spectrum
37. Charged particles travel through this gradient
circuit breaker
miliampere
electrical gradient
concentration and electrical
38. An exstremely level of electricity that mirrors the body natural electrical impules.
microcurrent
electric current
electrode
light therapy
39. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.
light- emitting
waveform
miliampere
infared light
40. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.
complete electric circuit
tesla high frequency current
light- emitting
circuit breaker
41. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.
volt
anaphoresis...
invisible light
ohm
42. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.
cathode
light therapy
desincrutation
electrical gradient
43. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.
photothermolysis...
cathode
waveform
postively charge
44. 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.
nonconductor
desincrutation
volt
alternating current
45. A color componet within the skin such as blood or melanin.
voltage
volt
chromophore
potential difference
46. Completes an elctric circuit and carries the current safety away.
grounding
volt
fuse
direct current
47. Prevents excessive current from passing through a circuit.
fuse
electric current
conductor
microcurrent
48. Abbreviated O; unit that measure the resistance of a electric current
ampere
electric current
postively charge
ohm
49. Aparatus that changes alternating current (AC) to direct current (DC).
rectifier
alternating current
desincrutation
anaphoresis...
50. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light
kilowatt
visisble spectrum of light
galvanic current
ohm