Principals of Electricity
Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called
What is electrons
The electrode that is negatively charged during an electrotherapy treatment is known as a(n)
What is cathode
Matter with definite weight and volume but no definite shape is called
What is a liqiuid
Substances of acidic or alkaline nature dissolve in water and/or contain
What is water
A mixture of two or more kinds of molecules, evenly dispersed, would be a(n)
What is a solution
A volt is a unit of electric
What is pressure
A salon owner wants to balance the tones of light in the salon. Which type of light would likely be incorporated?
What is incandescent
Basic substances that cannot be broken down into simpler substances are called
What is elements
What is the pH range of hair, skin and nails?
What is 4.5-5.5
The ability of hair to absorb moisture, liquids or chemicals refers to the hair’s
What is porosity
When too many appliances are put on one circuit and are operated at the same time, more current flows than the line is designed to carry. This is known as
What is overload
During scalp and facial massage, EMS current is used chiefly to cause
What is muscle contractions
What makes up the primary composition of hair?
What is keratin
When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered
What is neutral
Which of the following terms means liquids not able to be mixed?
What is immiscible
Which devices break the flow of current when an overload occurs?
What is circuit breaker
When using galvanic current on clients in a salon, what precaution must a salon professional take to prevent injury to the client?
What is do not use over an area having broken capillaries
Which bond is the backbone of all protein molecules?
What is peptide
A pH of 5 is how many more times acidic than a pH of 6?
What is 10
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?
What is body building conditioner
When a blow dryer is on and air begins to flow, you have an example of a(n)
What is closed circuit
Which of the following currents has chemical effects that are caused by passing the currents through particular acid or alkali solutions, then through body tissues and fluids?
What is galvanic
What is the side bond that is of the greatest concern to the salon professional?
What is disulfide
A solution that has more positive hydrogen ions than negative hydroxide ions is
What is acidic
Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as
What is suspensions