Unit 3 Flashcards

1
Q

What type of electrical current is identified by the fact that electron flow is interrupted?

A

Pulse current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is used to measure materials resistance to movement of electrons?

A

Ohm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What tissue has the greates resistance to current flow?

A

Cell membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What type of electrode is able to deliver the most current at the lowest skin impedance?

A

Carbon rubber electrodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When targeting deeper tissues, electrodes should be placed?

A

Further apart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What electrode placement techniques utilizes 2 sets of electrodes, each with it’s own channel?

A

Quadripolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What stimulation level has an intensity that produces a visible muscle contraction w/o pain?

A

Motor level stimulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Electrical stimulation has no effect on?

A

Inflammatory process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What type of current do interferential stimulators use?

A

Alternating current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What type of electrical current is primarily used for neuromuscular reeducation and strength augmentation?

A

NMES (Neuromusclular Electrical Stimulation)

Do not confuse with Russian Stim

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which is true regarding electrically induced muscle contractions?

A

The contraction and recruitment are synchronist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What tissues are excitable?

A

All of the above (nerve, muscle fibers, cell membrane)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A nerve’s response to the electrical stimulation is based on what factors?

A

Diameter and depth of nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What electrotherapy agent strictly uses a monophasic current?

A

Pulsed stimulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When applying TENS, which protocol provides relief for hours and uses 2-4 pulses per second?

A

Low TENS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What feature distinguishes microcurrent from other electrical modalities?

A

Does not attempt to excite peripheral nerves

17
Q

Russan stimulation is excellent for?

A

Decreasing muscular atrophy

18
Q

Most of the effects of electrical stimulation are a direct result of?

A

Stimulation to sensory nerves

19
Q

Which electrotherapy agent is best indicated for muscle disuse atrophy?

A

NMES

20
Q

Which of the follwoing idications for the use of TENS?

A

Acute pain

21
Q

Which of the following statements is correct regarding electrode placement?

A

The electrode placement for a given treatment my require some trial and error

22
Q

Which of the following electrode placement is best for achieving a contraction fo the wrist extensors?

A

Close together over the wrist extensors in the forearm

23
Q

When performing motor level stimulation for pain control, what response is expected?

A

Muscle twitching which may be accompanied by prickling and stinging sensations

24
Q

What waveform to TENS units use?

A

Asymmetric biphasic

25
Q

Consider the principles of electrical stimulation and select the most accurate statement about electricity:

A

Electrical current will always take the path of least resistance