Term
The scientific study of matter and the physical changes in matter is called ______.
A. Chemistry |
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Definition
There are _____ forms of matter.
B. 3 |
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Term
________ deals with all matter that is living or was once alive.
A. Organic chemistry |
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Definition
Everything that is alive or was once alive contains _______.
D. Carbon |
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Term
The study of minerals would involve ______.
B. inorganic chemistry |
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Definition
Melting and ice cube would be an example of a/an ________.
B. Physical change |
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Term
A/an ______ refers to a change in a substance that creates a new substance with properties or characteristics different from the original substance.
A. chemical change |
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Definition
All matter is made up of ______.
D. elements |
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Term
There are ________ elements known in nature.
B. 92 |
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Definition
Building blocks of skin and hair include ______.
D. all of the above |
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Term
The smallest complete unit of an element is a/an ________.
A. atom |
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Definition
_______ are two of the five elements important to the cosmetologists.
A. Carbon and sulfur |
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Term
An unstable atom is missing _______ in its outer shell.
A. electrons |
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Definition
The atomic number of an atom indicates how many ______ are in the nucleus.
D. protons |
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Term
The shell of an atom consists of _____.
C. electrons |
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Definition
When an unstable atom combines with an atom of a different element, a _____ is formed.
A. molecule |
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Term
The molecule formed when different elements are joined together chemically is called a ________.
B. compound |
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Definition
There are _______ common amino acids.
B. 22 |
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Term
Amino acids join togetherin chains to become _____.
D. proteins |
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Definition
Hair is _____.
B. A form of protein |
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Term
Hair is primarily composed of ____.
A. Keratin |
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Definition
The _____ is the backbone of all proteins bonds.
C. peptide bond |
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Term
The most important side bond a cosmetologist has to be concerned with is the ____.
D. disulfide bond |
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Definition
Only substances containing _____ and/or which dissolve in water can have an acidic or alkaline nature.
A. water |
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Term
Which of the following is a chemical change?
C. oxygen and hydrogen combing to form water |
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Definition
Carbon, hydrogen, oxygen, nitrogen and sulfur are important for a cosmetologist to know because _____.
A. they are from the basis of the hair, nails, and skin. |
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Term
The chemical symbol for carbon is _____.
D. None of the above |
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Definition
The threemain parts of an atom are _____.
A. Protons, neutrons and electrons |
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Term
When atoms combine to create compounds, it is an example of ____.
A. A Chemical bond |
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Definition
Amino acids that create proteins are linked together end to end by _____.
B. peptide bonds |
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Term
When amino acids combine to form the protein of the hair____.
C. they take on a spiraling configuration |
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Definition
A hydrogen bond _____.
D. All of the above |
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Term
Salt bonds _____.
D. all of the above |
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Definition
The disulfide bond _____.
D. both a and c |
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Term
The pH measurement scale _____.
D. all of the above |
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Definition
The potency of hydrogen peroxide can be tested with a _____.
D. hydrometer |
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Term
The protein that 97% of the hair consists of is _____.
D. Keratin |
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Definition
A side bond known as the van der Waal's forces _____.
A. is based on the theory that atomic groups prefer an environment with other groups that are similar |
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Term
Understanding pH measurements and values ____.
D. both a and b |
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Definition
Most shampoos and conditioners are acid balanced to ____ on the pH scale.
B. 4.5 to 5.5 |
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Term
_____ defines cosmetics as "articles intended to be rubbed, poured, sprinkled, or otherwise applied to the human body or any part therof for cleansing, beautifying, promoting attractiveness or altering the appearance."
A. The Food and Drug Act of 1938 |
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Definition
_____ hair usually needs to be shampooed more often.
A. oily |
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Term
A surfactant _____.
D. all of the above |
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Definition
Another name for the oil-loving part of a surfactant is _____.
B. lipophilic |
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Term
This type of shampoo contains orris root powder that absorbes soil and oil:
B. Powder dry shampoo |
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Definition
_____ conditioners coat the hair shaft and restore moisture and oils, but do not penetrate into the cortex or replace keratin in the shaft.
A. instant |
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Term
The purpose of a waving lotion is to ____.
A. Break disulfide bonds |
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Definition
The purpose of a neutralizer is to _____.
A. break disulfide bonds |
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Term
Temporary colors contain ____.
B. certified colors |
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Definition
______ are most fequently used in permanent hair color.
A. Analine derivative colors |
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Term
The most common oxidizing agent used in hair coloring and in lightening is ____.
B. hydrogen peroxide |
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Definition
_____ are incompatible with other chemical procedures such as perms and oxidative hair coloring.
A. Metallic salts |
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Term
The most common oxidizing agent used in hair coloring and in hair lightening is ____.
B. Hydrogen peroxide |
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Definition
____ are incompatible with other chemical procedures such as perms and oxidative hair coloring.
A. Metallic salts |
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Term
Putting a sodium hydroxide relaxer under a hair dryer ____.
B. could break the critical peptide bonds and destroy the protein structure |
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Definition
When a solute is dissolved in a solvent it is a/an _____.
C. Solution |
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Term
A solute mixed in a solvent that tends to separate if left standing is a/an____.
A. Suspension |
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Definition
A/an _____ is formed when two or more non-mixable substances are united w/ the help of a binder or gum-like substance.
B. emulsion |
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Term
A mixture of an organic substance and a medicinal agent agent and usually found in a semi-solid form is a/an ____.
D. Ointment |
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Definition
______ are mixtures of fats and oils converted to fatty acids by heat and then purified.
A. Soaps |
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Term
Water can be purified by _____.
A. sedimentation and filtration |
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Definition
Which of the following is/are true of shampoos?
D. All of the above
D. all of the above |
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Term
Acid-balanced shampoos _____.
D. should be used on bleached hair and dry, damaged hair |
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Definition
A soapless shampoo ______.
B. is able to lather without harsh alkaline ingredients |
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Term
A high alkaline shampoo used to remove residue and dirt build-up is a _____ Shampoo.
B. Clarifying |
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Definition
Shampoos formulated for bedridden clients who cannot wet their hair is called a ______ shampoo.
B. powder dry |
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Term
Shampoos containing additives to improve tensile strength and porosity of the hair are ______ shampoos.
C. conditioning |
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Definition
Shampoos for thinning hair ______.
D. all of the above |
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Term
Rinses, which affect mostly the surface of the hair, ______.
D. all of the above |
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Definition
This product is designed with ingredients to control minor dandruff and scalp conditions:
B. Medicated rinse |
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Term
A _____ is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling.
D. Conditioner |
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Definition
______ conditioners have a vegtable oil base, acidic pH and are not recommended for fine or limp hair.
B. Instant |
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Term
______ conditioners contain hydrolyzed animal proteins and are recommended for dry, brittle hair that has been mechanically or chemically damaged.
C. Moisturizing |
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Definition
A ______ is a formulation of several conditioners together to meet a special need.
A Customized conditioner |
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Term
Most ingredients for conditioners are proteins derived from _____.
D. animal or vegetable materials |
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Definition
The main ingredient found in most neutralizers is either _______.
A Hydrogen peroxide, sodium perborate or sodium bromate |
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Term
A soft perm curl loosens the txture of overly curly hair by ______.
A. using a thioglycolate-based product |
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Definition
Non-reactive, direct dyes that coat the surface of the hair shaft until they are shampooed out are ____ colors.
D. temporary |
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Term
______ colors penetrate the cuticle layer of the hair and last through several shampoos.
C. Semi-permanent |
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Definition
The combination of ammonia and hydrogen peroxide that both lightens the hair's natural color and deposits artificial color is a _____ color.
B. Permanent hair |
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Term
Lightening hair involves oxidation of the natural melanin in the hair by ____.
A. Mixing peroxide and ammonia |
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Definition
On-the-scalp lighteners are available in these forms:
B oil and cream |
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Term
A product label ____.
A. Has the ingredients listed in order of their concentration |
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Definition
Acid balance is important to the cosmetologist because _____.
C. Professional shampoos and conditioners should maintain a 4.5 to 5.5 |
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Term
The six general cosmetic classifications used in the cosmetology industry are _____.
B. Based on how well a substance combines with another |
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Definition
Equal mixtures of inorganic substances that do not dissolve in water and are sifted and perfumed are called ____.
D. Solutions |
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Term
An all-purpose shampoo_______.
D. all of the above |
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Definition
A shampoo effective in cleaning wigs and hairpieces is a ______ shampoo.
A. liquid dry |
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