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E stim > E stim ppt 1 > Flashcards

E stim ppt 1 Flashcards

1
Q

what does a positive charge mean?

A

contains less electrons then normal

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2
Q

what does one coloumb of charge equal?

A

6.25 * 10^18 electrons

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3
Q

what does a single electron equal?

A

1.6*10^-19C

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4
Q

what does polarity mean?

A

ability to have 2 oppositely charged conductors

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5
Q

what kind of polarity does an anode have?

A

(+)

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6
Q

what kind of polarity does a cathode have?

A

(-)

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7
Q

what is the direction of electron flow?

A

(-) to (+) area of high electrons to area of low electrons

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8
Q

what is an ion?

A

an electrically charged atom

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9
Q

what is an anion attracted to?

A

anode

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10
Q

what is a cation attracted to?

A

cathode

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11
Q

what is current a measure of?

A

rate at which charge flows

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12
Q

what is current?

A

rate at which charge flows

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13
Q

what is voltage?

A

potential energy difference

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14
Q

what is the average current for DC current?

A

peak amp

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15
Q

what is the average current for AC current?

A

65-75% peak amp

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16
Q

which specific electrotherapeutic current has less current flowing then the rest?

A

PC

17
Q

what is the maximum current you should use irrespective of the electrode size?

A

30-40ma

18
Q

the highest/lowest average current will produce the desired physiologic response.

A

lowest

19
Q

“the measure of magnitude of current/voltage with reference to the isoelectric line”

A

peak amplitude

20
Q

the higher the peak amplitude…

A

the deeper the penetration

21
Q

what is pulse duration dependent on?

A

time

22
Q

in monophasic wave forms, phase duration is equal to what?

A

pulse duration

23
Q

what is the traditional basic descriptive unit?

A

pulse

24
Q

what is pulse duration associated with?

A

comfort
factor in determining pulse charge
ability to discriminate between clinical levels of stim.

E stim (2 decks)

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