SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.
electricity
light- emitting
fuse
desincrutation
2. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.
anaphoresis...
polarity
electromagnetic spectrum
direct current
3. A difference in electrical charge in one region compared to another
postively charge
voltage
intense pulse light
cataphoresis...
4. Gradients that make up the electrochemical gradient
resistance
grounding
postively charge
concentration and electrical
5. Process that turns the light from a medical laser device into heat.
nonconductor
rectifier
concentration and electrical
photothermolysis...
6. Another name for voltage
invisible light
active electrode
potential difference
galvanic current
7. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.
grounding
light- emitting
complete electric circuit
direct current
8. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.
volt
intense pulse light
converter
wavelength
9. A color componet within the skin such as blood or melanin.
galvanic current
chromophore
ultravilet light
waveform
10. Charged particles travel through this gradient
resistance
fuse
electrical gradient
cathode
11. Substance that speed up chemical reactions.
alternating current
electrode
galvanic current
catalyts
12. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.
voltage
cataphoresis...
complete electric circuit
electrical gradient
13. Abbreviated O; unit that measure the resistance of a electric current
grounding
ohm
conductor
rectifier
14. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source
anaphoresis...
cataphoresis...
complete electric circuit
alternating current
15. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light
visisble spectrum of light
catalyts
inactive alactrode
iontophoresis...
16. 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.
iontophoresis...
anode
conductor
infared light
17. A measure of factors that inhibit the flow of electricity
anode
electrical gradient
resistance
conductor
18. Abbriviated K; 1 -000 watts
polarity
invisible light
volt
kilowatt
19. Currents used in electrical facil and scalp treatments
active electrode
chromophore
desincrutation
modelities
20. 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.
ultravilet light
complete electric circuit
photothermolysis...
galvanic current
21. Aparatus that changes direct current to alternating current
microcurrent
miliampere
electromagnetic spectrum
converter
22. Flow of a electricity of a conductor.
catalyts
light therapy
electrical gradient
direct current
23. Also known as electromagnetic spectum of radiation; name given to all of the forms of energy (or radiation) that exist.
desincrutation
electromagnetic spectrum
resistance
anode
24. Movement of charged particles
complete electric circuit
kilowatt
electricity
alternating current
25. 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.
postively charge
alternating current
microcurrent
cataphoresis...
26. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.
nonconductor
polarity
cathode
galvanic current
27. The movement of particles around an aton that creates pur energy.
wavelength
desincrutation
intense pulse light
electric current
28. Light at either end of the spectrum of light that is invisisble to the naked eye.
modelities
electricity
electromagnetic spectrum
invisible light
29. 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.
visisble spectrum of light
fuse
infared light
intense pulse light
30. Aparatus that changes alternating current (AC) to direct current (DC).
potential difference
catalyts
rectifier
ultravilet light
31. Abbreviated mA; 1/1 -000 of an ampere
fuse
postively charge
miliampere
modelities
32. Meassurements of the distance between two wavelength.
resistance
converter
waveform
intense pulse light
33. Also known as insulator; a material that does not transmit electricity.
desincrutation
nonconductor
light therapy
alternating current
34. 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 -
ultravilet light
visisble spectrum of light
potential difference
rectifier
35. 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
watt
tesla high frequency current
cathode
electromagnetic spectrum
36. Positively charged particles are repelled by what regions
voltage
photothermolysis...
electrode
postively charge
37. 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.
ultravilet light
chromophore
iontophoresis...
anode
38. Completes an elctric circuit and carries the current safety away.
electricity
grounding
modelities
postively charge
39. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.
wavelength
circuit breaker
kilowatt
electrode
40. Distance between successive peaks of elctromagnetic waves.
direct current
wavelength
light- emitting
electricity
41. Any material that conducts electricity.
wavelength
electrode
alternating current
conductor
42. An exstremely level of electricity that mirrors the body natural electrical impules.
microcurrent
intense pulse light
electrode
concentration and electrical
43. Abbreviated and also known as amp; unit that measures the strength of an electric current.
ampere
iontophoresis...
tesla high frequency current
wavelength
44. Prevents excessive current from passing through a circuit.
desincrutation
electric current
fuse
electromagnetic spectrum
45. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.
light therapy
postively charge
resistance
concentration and electrical
46. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.
electrode
waveform
ampere
fuse
47. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.
potential difference
fuse
nonconductor
anode
48. Opposite pole from the electrode.
electricity
iontophoresis...
concentration and electrical
inactive alactrode
49. Electrode of anelectherapy device that is used on the area to be treated
electrode
active electrode
electromagnetic spectrum
iontophoresis...
50. Negative pole or positive pole of an electric current
nonconductor
polarity
anode
invisible light