25 Questions
What is the fundamental property of an electrical charge related to the transfer of charge from one object to another?
The conservation of charge
In an electric field, what does the separation of charges create?
A system of potential energy
What is the international unit of current used to measure the quantity of ions or electrons flowing at a given time?
Ampere
What is the primary method of delivering therapeutic electrical stimulation?
Burst currents
Which type of current involves uninterrupted bidirectional flow of ions that changes direction at least 1 time per second?
Alternating current (AC)
Which type of TENS is better tolerated and can be used during active movement?
High frequency (conventional TENS)
What refers to the strength of a current at any one point in time and represents the magnitude of both positive and negative currents?
Amplitude
What is the most commonly used and supported current for tissue healing?
High volt pulse currents
What modification of either an AC or DC waveform involves periodic cessation of electron flow for a period of time before a following electrical event?
Burst
Which of the following is NOT a mode of Therapeutic Electrical Stimulation (TES) treatment?
Microcurrent electrical nerve stimulation (MENS)
What type of waveform has an average charge of 0 due to equal amplitudes and phase durations of positive and negative charges?
Biphasic current
What is the main difference between Microcurrent electrical stimulation and TENS (transcutaneous electrical neural stimulation)?
Microcurrent electrical stimulation manages pain, while TENS does not activate muscles.
Which frequency is most effective for activating muscle according to the text?
80-150 pulses per second
What is the primary objective of using Microcurrent as mentioned in the text?
Mimicking body's electrical field to encourage healing
Which parameter is MOST indicative for tissue repair and healing, according to the text?
Short duration and high intensity
What is the primary benefit of Shortwave Diathermy (SWD)?
It allows deeper penetration than other heat modalities
Which type of shockwave therapy is used for superficial muscle and myofascial trigger point treatments?
RADIAL
What is the goal of Extracorporeal Shockwave Therapy (ESWT)?
To breakdown tissue to promote healing and repair
Which physiological effect is associated with the stimulation of mitochondrial cytochromes by infrared light?
Increased ATP synthesis
What is the classification of lasers used in therapy according to the text?
Class 3b lasers
What is the acronym for 'light amplification by stimulated emission of radiation' as mentioned in the text?
LASER
What is the main purpose of low-level or cold lasers in laser therapy?
Healing wounds and painful inflamed neuromuscular conditions
Which condition is NOT considered as having relative benefits from low-level laser therapy according to the text?
Chronic spine pain
What is the main theorized effect of laser on soft tissue according to the text?
Transfer of energy to cells
What is the primary physiological effect of light absorbed by cells as mentioned in the text?
Alteration, facilitation, or inhibition of cell-mediated chemical reactions
Test your knowledge on electrotherapy and electrode placement with this quiz. Evaluate your understanding of current density, muscle stimulation, sensory and motor nerve placement methods, and appropriate distances for electrode placement.
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