Suzy has completed a manicure. What should she do with the following implements: cotton, emery boards and orange wood stick?
Throw them away, they cannot be sanitized
What are the phases of perming?
Physical and chemical
What are the parts of a hair strand?
Cortex, medulla, cuticle
What is the measure of how much energy is being used per second?
Watt
What is the pH of hair, skin and nails?
4.5-5.5
Which agency publishes guidelines known as standard precautions?
CDC
What is the most common ingredient in perm solutions?
Ammonium thioglycolate
What are the three stages of hair growth in order?
Anagen, Catogen, Telogen
What is a conductor?
Material that allows electricity to flow through it easily
Products with a pH less than 7 are:
Acidic
What chemical can be safely used to sanitize skin?
An antiseptic
When was the first perm invented?
1905
What type of melanin is brown or black in color?
Eumelanin
What are the two types of electric current
Direct current and alternating current
what does pH stand for?
Potential Hydrogen
Bacteria that grow in pairs and can cause pneumonia are called:
Diplococci
What is the pH of an acid perm?
6.9-7.2
What is the study of hair called?
Trichology
What is an AMP
The unit of electrical strength
What can you measure the pH of a product with?
pH meter, indicator paper, or indicator liquid
What are the short rod shaped bacteria that causes tetanus, typhoid fever, tuberculosis and diptheria?
Bacilli
What does perm solution do to make the hair curl?
Breaks disulfide bonds
What is a lack of melanin in the hair and skin called?
Albinism
What can change a direct current to alternating current?
An inverter
If a 2 on the pH scale is 10x more acidic than a 3 and 100 times more acidic than a 4, how much more acidic is a 2 than a 6?
10,000x