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