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Passive Care- JS > Electrical Terminology > Flashcards

Electrical Terminology Flashcards

1
Q

The flow of electrons from an electron source

A

Electrical current

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2
Q

A material that opposes current flow

A

Resistor

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3
Q

A device that stores electrical energy

A

Capacitor

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4
Q

Opposition of biological tissues to the flow of electrical current

A

Impedence

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5
Q

Flow of current in one direction (positive or negative)

A

Direct current

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6
Q

Flow of current in One direction then in the other (bidirectional)

A

Alternating current

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7
Q

Synonymous with direct current

A

Monophasic

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8
Q

Synonymous with alternating current

A

Biphasic

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9
Q

Current flow in one direction

A

Phase

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10
Q

Time period from beginning to end of one phase (leave isoelectric line until it returns)

A

Phase duration

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11
Q

Time between phases (interphase interval)

A

Interphase duration

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12
Q

Time from isoelectric line until maximum amplitude

A

Phase rise time

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13
Q

Time from maximum amplitude until back at isoelectric line

A

Phase decay time

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14
Q

Equal to phase duration for DC current and 2x phase duration for ac current

A

Pulse duration

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15
Q

Series of successive pulses or cycles over a period of time

A

Burst

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16
Q

Time between beginning of 1st and end of last cycle or pulse

A

Burst duration

17
Q

Time between two successive bursts

A

Interburst duration

18
Q

The resulting current waveform when 2 or more sinusoidal waves intersect with each other

A

Beat

19
Q

Number of times per second that a pulse, cycle, beat, or burst occurs

A

Frequency

20
Q

Magnitude of current relative to the isoelectric line measured in amperes

A

Amplitude

21
Q

Continuous series of pulses, cycles, bursts, or beats over time

A

Train

22
Q

Ratio of on to off time expressed as a percentage

A

Duty cycle

23
Q

Time period where current amplitude is increasing from zero to maximum

A

Ramp up

24
Q

Time period where current amplitude is decreasing from maximum to zero

A

Ramp down

25
Q

Changes in amplitude, pulse duration, pulse frequency, or a combination of these to prevent nerve accommodation to stimulation

A

Modulation

26
Q

What type of current is A and what is B

A

direct current and monophasic

27
Q

What type of current is this

A

Alternating current or biphasic

28
Q

What is X and what is Y

A

X- phase duration

Y- interphase duration

29
Q

What is X and what is Y

A

X- pulse duration

y- interpulse duration

30
Q

What is X and what is Y?

A

X-phase rise time

y- phase decay time

31
Q

What is X and what is y?

A

X-burst duration

y-interburst duration

32
Q

What is the frequency

A

3

33
Q

What is the frequency

A

3

34
Q

What is modulation A and what is C

A

A- amplitude

c-frequency

Passive Care- JS (7 decks)

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