Term
Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which of the following classifications?
A. Soaps |
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Definition
What makes up the primary composition of the hair?
A. Keratin |
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Term
Which of the following classifications would identify emulsions that are generally used by cosmetologists?
A. Oil-in-water emulsion |
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Definition
Substances of acidic or alkaline nature dissolve in water and/or contain?
A. water |
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Term
A mixture of two or more kinds of molecules, evenly dispersed would be a(n):
A. solution |
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Definition
Oxidants, such as hydrogen peroxide, have the ability to release:
A. oxygen |
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Term
Which shampoo contains temporary color molecules that adhere to the hair and deposit color?
A. color shampoo |
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Definition
Which shampoo would generally be recommended for an individual who is ill and bedridden?
A. Powder dry shampoo |
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Term
The primary ingredient of most shampoos is?
A. Deionized water |
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Definition
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?
A. body-building |
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Term
The bonds that hold protein chains together in order to build the hair are called:
A. side bonds |
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Definition
Cleaning the hair and scalp and removing all foreign matter without adversely affecting either the scalp or hair is called:
A. Shampooing |
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Term
When two hydrogen atoms combine with one oxygen atom, the result is water, which is called a(n):
A. compound |
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Definition
Carbon, nitrogen, oxygen and hydrogen are the building blocks of:
A. amino acids |
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Term
Which of the following shampoos would NOT be used for color-treated or damaged hair?
A. plain shampoo |
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Definition
The color molecules in permanent hair color enter the hair with the aid of:
A. an alkaline substance |
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Term
Which of the following shampoo types is designed to treat scalp and hair problems or disorders?
A. medicated shampoo |
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Definition
Two or more atoms joined together by a chemical bond is a(n):
A. molecule |
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Term
All matter that is living or once was living contains carbon and deals with:
A. organic chemistry |
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Definition
Which of the following terms means non-mixable?
A. immiscible |
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Term
Which of the following statements about surfactants is NOT true?
A. prevents shampoo from lathering |
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Definition
Mixtures of organic substances and a medicinal agent are:
A. ointments |
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Term
Ammonia, a colorless gas with a strong odor, is composed of hydrogen and:
A. nitrogen |
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Definition
What is the name given to purifying water by passing it through a porous substance?
A. filtration |
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Term
Which of the following cosmetic classifications requires sifting until free of coarse, gritty particles?
A. powder |
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Definition
A substance that is able to dissolve another substance is called a(n):
A. solvent |
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Term
Which of the following statements describes how human hair is formed?
a. protein chains connect to other protein chains |
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Definition
What is the side bond that is of the greatest concern to the cosmetologist?
A. disulfide bond |
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Term
The main ingredients found in most neutralizers are:
A. hydrogen peroxide, sodium perborate, or sodium bromate |
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Definition
Which shampoo would most likely be used to remove product build-up?
a. clarifying shampoo |
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Term
In what pH range is skin and hair?
A. 4.5-5.5 |
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Definition
Which of the following is NOT an example of a physical change?
a. rusting of a nail |
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Term
Atoms that are the same, form a(n):
A. element |
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Definition
Which of the following components are contained within temporary colors?
A. certified colors |
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Term
In the process of making a cup of instant hot chocolate, what would the powdered chocolate represent?
A. solute |
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Definition
What would be used to determine if a bottle of hydrogen peroxide is still potent if the purchase date was no longer on the label?
A. hydrometer |
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Term
What occurs during oxidation?
A. a substance loses an electron and oxygen is acquired |
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Definition
Distilled water with a pH of 7 is considered:
A. Neutral |
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Term
What is formed when two or more non-mixable substances are united with the help of a binder?
A. emulsion |
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Definition
Which term identifies the change assigned to an oxidative hair color procedure?
A. chemical change |
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Term
The instructions on a product state to shake well before use, which indicates this product is probably a(n):
A. suspension |
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Definition
Basic substances that cannot be broken down into simpler substances are called:
A. elements |
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Term
All of the following statements regarding pH are true EXCEPT:
A. a solution is acidic if it has more negative hydroxide ions |
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Definition
The term used to identify anything that occupies space is called:
A. matter |
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Term
Using a conditioner would help achieve all of the following results EXCEPT:
a. increase new hair growth |
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Definition
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Term
What is the pH of a client's natural hair that has been permed, colored, sculpted and designed properly within the past few months?
A. 4.5-5.5 |
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Definition
Which party is responsible for distribution of Material Safety Data Sheets?
A. manufacturer |
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Term
Melting ice changes water from a solid to a liquid. Boiling water changes water from a liquid to a gas. These are examples of what type of change?
A. physical |
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Definition
If water contains certain salts of calcium, magnesium and other metals, it is classified as:
A. hard water |
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Term
A solution that has more positive hydrogen ions than negative hydroxide ions is:
A. acidic |
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Definition
Atoms make up elements. Elements make up matter. Therefore, all matter is comprised of:
A. Atoms |
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Term
Which bonds found in the hair can easily be broken by heat or water?
a. hydrogen bonds |
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Definition
A pH of 5 is how many more times acidic than a pH of 6?
A. 10 |
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Term
Which of the following shampoo types is formulated to have the same pH as the hair and skin?
A. acid balanced shampoo |
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Definition
What is created when amino acids join together in chains?
A. proteins |
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Term
Lightening hair always involves oxidation of the natural melanin in the hair.
A. true |
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Definition
Ammonia is the most common oxidizing agent used to develop color.
False |
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Term
The three basic forms that matter exists are solids, liquids, and atoms.
A. False |
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Definition
The carbon bond is a side bond that links the protein chains.
A. False |
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Term
"Acid-balanced" indicates that the pH range falls within the acid range of 6.5-10.5
A. False |
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Definition
Matter with definite weight, but indefinite volume and shape is liquids.
A. False |
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Term
Permanent waves using thioglycolic acid have a higher pH value than those using glyceryl monothioglycolate.
a. True |
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Definition
A chemical change in matter occurs when water freezes to become ice.
False |
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Term
Disturbing the peptide bonds in hair can destroy the protein structure and affect the way hair looks.
A. True |
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Definition
A physical change occurs when oxygen combines with hydrogen to form water.
A. False |
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Term
The scientific study of matter and the physical and chemical changes of matter is known as molecular biology.
A. false |
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Definition
Carbon is a solid.
A. True |
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Term
Hair is a form of protein called Keratin.
A. True |
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Definition
Oxygen is more abundant on the earth's crust than hydrogen.
A. True |
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Term
pH numbers measure the amount of acid or alkali in a water-based solution.
A. True |
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Definition
Porosity refers to the ability of the hair to absorb moisture, liquids or chemicals.
a. True |
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Term
With an atomic number of 1, carbon is the simplest atomic structure.
A. False |
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Definition
Water is usually classified as a secondary ingredient in most shampoos.
A. False |
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Term
Electrons are the smallest complete unit of an element.
A. False |
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Definition
Dimethicones give hair a smooth feel when dry and make it easier to comb.
A. False |
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Term
Instant conditioners restore moistur3e and oils, but they do not replace kertain in the hair shaft.
A. True |
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Definition
The five elements found in the hair are carbon, sulfur, nitrogen,_______and_____.
A. hydrogen and oxygen |
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Term
The most popular type of lightener that has added conditioners to make it gentler for the hair is _________lightener.
a. cream |
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Definition
Stretching the hair and having it return to its normal shape is associated with the hair's_____________.
A. elasticity |
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Term
Matter with definite weight, volume and shape is known as___________.
a. solids |
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Definition
Lightening the hair is also referred to as_____________________.
A. bleaching or decolorizing |
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Term
The type of lightener that contians alkaline salts and a strong oxidizing agent that may cause burns or blisters on the skin is a(n)____________-__________-_________lightener.
A. off-the-scalp |
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Definition
The combinations of natural vegetable dye along with a metallic salt results in a____________dye.
A. compound |
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Term
Oxidative colors can lift the hairs natural color and deposit artificial color through a combination of hydrogen peroxide and __________________.
A. ammonia |
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Definition
A client who is unable to receive a normal shampoo can have her scalp and hair cleansed using___________ __________shampoo.
A. Liquid dry |
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Term
Atoms have three main parts: protons, neutrons, and _______________.
A. electrons |
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Definition
The type of side bond that contains sulfur and is broken during services such as perming and relaxing is the ________________bond.
A. Disulfide bond |
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Term
The type of rinse used to control minor dandruff and scalp conditions is a _______rinse.
A. medicated |
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Definition
When a solution has an equal number of hydrogen and hydroxide ions. the solution is considered___________.
A. Neutral |
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Term
The ability of hair to absorb moisture, liquids, or chemicals refers to the hair's ___________.
A. porosity |
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Definition
| A solvent that can be used to dissolve almost any substance except for oil and wax is_____________. |
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Term
pH numbers less than 7 indicate a(n)_________solution.
A. acid |
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Definition
Most manufacturers indicate that hydrogen peroxide has a shelf life of ___________years.
A. 3 |
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