Electrotherapeutic Basics Flashcards

0
Q

down to the subcutaneous fat, the electric goes through a blank circuit

A

series

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1
Q

line that has 0 for ac and dc measurement

A

isoelectric line

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2
Q

deeper than the subcutaneous fat with all the different blood supplies type of circuit

A

parallel

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3
Q

requirements for a current

A

conductor, driving force, source of electrons

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4
Q

amount of potential difference between two points in an electrical field

A

electromotive force

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5
Q

electromotive force drives charge particles and is measured in blank

A

volts

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6
Q

commercial current flowing from a wall outlet is about

A

110 volts or 220 volts

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7
Q

modaliities using less than 150 volts are considered blank generators

A

low voltage

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8
Q

modalities that produce several hundred (up to 500) volts are considered blank generators

A

high voltage

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9
Q

measure of electric charge equal to 6.25 x 10^18 electrons

A

coulomb

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10
Q

measure of current flow

A

amps

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11
Q

ability of medium to resist flow through direct current

A

resistance

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12
Q

opposition to electron flow created by electromagnetic eddy currents generated when current goes through wire

A

inductance

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13
Q

ability to store charge

A

capacitance

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14
Q

resistance + inductance + capacitance

A

impedance

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15
Q

materials that offer little resistance allow current to flow easily

A

conductors

16
Q

materials that offer high resistance for current to flow

A

insulators

17
Q

volt = water blank

A

pump

18
Q

ampere = water blank

A

gallon/min

19
Q

watts =

A

volts x amps

20
Q

power =

A

V x I

21
Q

ohms law

A

V = IR

22
Q

when same current flows through each resistor, they are said to be in blank

A

series

23
Q

when current flowing through a circuit has multiple pathways to follow through or around each resistor

A

parallel

24
Q

unidirectional flow of electrical charges for at least one second

A

continuous

25
Q

unidirectional flow of electrical charges for at least one second that then changes polarity

A

reversed DC current

26
Q

reversed and interrupted dc current allow for less chance of blank

A

burn

27
Q

dc also stimulates blank

A

wound healing

28
Q

larger pulse duration equals blank frequency

A

lower

29
Q

ac current is generally used for blank

A

muscle strengthening/re-education, pain mod, functional training

30
Q

two pulsed types of current

A

monophasic, biphasic

31
Q

biphasic current means it goes from blank to blank

A

positive, negative

32
Q

max current reached in a single phase

A

peak amplitude

33
Q

amplitude to get to top of one phase to top of the other phase

A

peak to peak amplitude

34
Q

area under the curve amplitude

A

root mean square amplitude (average)

35
Q

distance between pulses

A

interpulse interval

36
Q

a series of pulses flowing for a finite period of time followe by a period of no current flow

A

bursting

37
Q

smaller electrodes have blank current density

A

higher

38
Q

to target deeper tissues, electrodes should be placed blank

A

far apart