Flashcards in Chapter 9 Electricity Test Questions Deck (30)
______ is a form of energy that produces magnetic, chemical, or thermal effects while in motion.
an example of a conductor is _____
The human body
An electric _________ is composed of a conductor and an insulator.
The current in a circuit can be controlled with an adjustable _________ called a rheostat
___________ current is constant, even flowing current that travels in one direction only
Alternating current is a rapid and interrupted current that produces a __________ action
A_______________ is a device that changes direct current to alternating current
A ______________is a device that changes alternating current to direct current
The volt is the unit that measures the pressure that pushes a flow of _________ through a conductor
The ___________ of an electrical current is measured in ohms
The amount of electric energy being used in one ______ is measured in watts
A___________ is a device that prevents too much current from passing through a circuit.
The function of a ________ _________ is to shut off an electric circuit at the first sign of an overload.
All electrical appliances must have ____________________ electrical connections
At least two
Do not touch any _______ while using an electrical appliance
The different types of electric current used in ___________ are known as modalities
The ___________________ application that direct electric current from a machine to a client skin are called electrodes
All answers are correct
In electrotherapy, the _______ is the positive pole
The ____________ of an electric current indicates it's negative or positive pole
The _________________ modality which produces chemical changes when passed through tissue and fluids, it the galvanic current
Most commonly used
The process that uses __________ current to the facilitate deep pore cleansing is disincrustation
Galvanic current is used to introduce _______ ________ products into the skin in a process called iontophresis
A ______________ and interrupting current that produces a mechanical reaction with no chemical effect is the faradic current
The __________ current produces heat
About _________ percent of natural sunlight is made up of visible light
_____________light provides germicidal benefits
UV rays are used in tanning booths and __________ ____________ _________ the skin tissue
Penetrate deep into
_____ Rays are destructive To bacteria, as well as to the skin tissue if the skin is exposed to them for too long a period of time.
______________ rays are pure heat rays