CF 13 Electricity

Electricity is the movement of _____ from one atom to another along a conductor.

• neutrons
• protons
• electrons
• cells

Within the visible spectrum of light, the longest wavelength is:

• blue
• yellow
• red
• violet

A _____ is the distance between successive peaks of an electromagnetic wave.

• laser
• wavelength
• chromophore
• waveform

What name is given to all of the forms of energy that exist?

• gamma rays
• ultraviolet light
• electromagnetic spectrum
• radio waves

Which type of electrotherapy involves a thermal current with a high rate of oscillation or vibration, and is commonly used for scalp and facial treatment

• microcurrent
• cataphoresis
• galvanic current
• Tesla high-frequency current

Which process is used to soften and emulsify oil deposits in hair follicles and treat acne conditions?

• cataphoresis
• microcurrent
• iontophoresis
• desincrustation

In facial treatments, the process of infusing water-soluble products into the skin with electric current is called:

• iontophoresis
• cataphoresis
• desincrustation
• anaphoresis

In galvanic current, the electrode used on the area to be treated is the:

• cathode
• active electrode
• inactive electrode
• anode

The positive electrode on an electrotherapy device is called a(n):

• anode
• catalyst
• cathode
• rectifier

Which term refers to the negative or positive pole of an electric current?

• wavelength
• modality
• polarity
• waveform