AC vs DC Electrical Wave Aspects Quiz

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What is the primary method of delivering therapeutic electrical stimulation?

Intermittent determination of peak amplitude and interpulse interval

Pulsed current with periodic cessation of electron flow (correct)

Uninterrupted bidirectional flow of ions

Continuous unidirectional flow of ions

Which parameter of a waveform includes the amplitude, rise time, decay time, frequency, and duration?

Non-pulsed current (correct)

Peak to peak amplitude

Phase duration

Cycle duration

What type of current is characterized by uninterrupted bidirectional flow of ions that changes polarity at least one time per second?

Monophasic pulses

Biphasic bursts

Continuous unidirectional flow

Alternating current (correct)

When deviating upward from the isoelectric line, what type of current flow does it indicate?

Positive direction Signup and view all the answers

What term is used instead of cycle or phase, depending on the waveform?

Pulse Signup and view all the answers

What is the main difference between AC and DC electrical waves?

AC has bidirectional flow while DC has unidirectional flow Signup and view all the answers

Which factor is used to measure the strength of a current at any one point in time?

Amplitude Signup and view all the answers

What do the rise and decay rates refer to in the context of electrical waveforms?

How quickly the waveform reaches its max amplitude and decays to 0V Signup and view all the answers

What does the term 'cycle' refer to in the context of an AC current?

One complete repetition of a sine wave measured in time Signup and view all the answers

What is the main advantage of pulse current (PC) over direct current (DC) for muscle stimulation?

Pulse current allows for muscles to depolarize and repolarize before depolarizing again Signup and view all the answers

AC vs DC Electrical Wave Aspects Quiz

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Questions and Answers

What is the primary method of delivering therapeutic electrical stimulation?

Which parameter of a waveform includes the amplitude, rise time, decay time, frequency, and duration?

What type of current is characterized by uninterrupted bidirectional flow of ions that changes polarity at least one time per second?

When deviating upward from the isoelectric line, what type of current flow does it indicate?

What term is used instead of cycle or phase, depending on the waveform?

What is the main difference between AC and DC electrical waves?

Which factor is used to measure the strength of a current at any one point in time?

What do the rise and decay rates refer to in the context of electrical waveforms?

What does the term 'cycle' refer to in the context of an AC current?

What is the main advantage of pulse current (PC) over direct current (DC) for muscle stimulation?

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