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Esthetics > Review Questions VI Chapter 7 > Flashcards

Review Questions VI Chapter 7 Flashcards

1
Q

Skin care lotions are an example of what distinct form of matter?

A

Liquid

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2
Q

Which item have a negative electrical charge?

A

Electrons

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3
Q

Oils and oil soluble substances used to condition and soften the skin are called?

A

Emollients

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4
Q

What measurement indicates whether a substance is acidic, neutral or alkaline?

A

pH

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5
Q

What term is used to describe a base product?

A

Alkaline

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6
Q

All statements about physical changes that is true:

A

Chemical structure does not change
Involve either the gain or loss of energy
Freezing water to form ice is an example

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7
Q

All statements about solutions that is true:

A

The dissolved part is called the solute
Organic substances are not soluble in water
Cosmetic products tend to use water as the solvent

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8
Q

What are the basic materials that the body used to construct and renew itself?

A

Proteins

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9
Q

Which ingredients allow for the suspension of small particle solid in a base by creating a supporting structure to prevent settling?

A

Thickeners

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10
Q

The ingredient that makes up the largest percentage of many cosmetic skin care products is?

A

Water

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11
Q

The condition under which a solute will no longer dissolve evenly in the solvent is the?

A

Saturation point

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12
Q

Which cosmetic products is formed when two or more non mixable substances are united with small droplets of a binder?

A

Emulsion

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13
Q

What is the smallest particle of a compound that contains all of the chemical properties?

A

Molecule

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14
Q

What number identifies how many prions are in a single atom of an element on the periodic table?

A

Atomic number

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15
Q

Solvents that easily mix together are called?

A

Miscible

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16
Q

The most abundant element in the earth’s crust is?

A

Oxygen

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17
Q

This form of matter has a definite weight, volume, and shape:

A

Solid

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18
Q

The process in which a substance gains an electron and oxygen is then released is known as?

A

Reduction

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19
Q

What may contain salts such as calcium and magnesium?

A

Hard water

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20
Q

A mixture of sebum and sweat combined with lipids, minerals and moisture to form a protective barrier for the skin is called?

A

Acid mantle

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21
Q

What level of pH will increase the skin’s permeability and leave it vulnerable to injury by environmental factors?

A

8

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22
Q

What types of atoms have evenly paired electrons in their outermost orbit shell?

A

Stable atoms

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23
Q

Basic units of matter that cannot be broken down into simpler substances by a chemical reaction are called?

24
Q

A change in a substance that creates a new substance with different material characteristics form those of the original substance is a?

A

Chemical change

25
Which ability to bind a wide range of organic and inorganic matter to water?
Surfactants
26
Wich cosmetic products is "forced together" by mixing the individual components using high temperatures or by agitating them?
Emulsion
27
Oils and oil soluble substances used to condition and soften the skin by providing a protective coating are called?
Occlusive barrier
28
The study of chemical reactions, such as growth, reproduction and respiration, that occur within a living organism is called?
Biochemistry
29
What is the average pH range of the skin?
4.5 to 5.5
30
The molecular weight of each element is determined by?
Protons and Neutrons
31
The part of the atom that has no electrical charge is the?
Neutrons
32
Which products has been formulated with a thickening agent to increase viscosity?
Gel
33
Statements regarding aerosols are true:
They are explosive and flammable They are packaged under pressure They are flammable
34
Statements about the Periodic Table of Chemical Elements are true:
There are 92 naturally occurring elements Organised by their atomic number Mendeleev and Meyer arranged the elements
35
The ability to do work to accomplish some change is?
Energy
36
The branch of science that deals with the chemicals related to life processes and their reactions within the body is called?
Organic chemistry
37
Which skin renewal agents include antioxidants that can heal tissue and strengthen the skin, among other benefits?
Vitamins
38
Products packaged under pressure and blended with a gas inside a container are called?
Aerosols
39
Wich materials dissolve and break down large molecules into smaller ones?
enzymes
40
What is created when two different elements are chemically united?
Compound
41
Which ingredients are included in cosmetic products to maintain the product quality during manufacturing, storage and usage?
Preservatives
42
Which statement is NOT true about fragrances?
Their ingredients are listed individually on label
43
What vegetable, mineral or pigment dyes that are added to products to enhance?
Coloring agents
44
Ingredients used in some treatment products to prevent skin inflammation and free radical damage are called?
Antioxidants
45
Acids or bases used to adjust the desired product pH level are called?
pH adjustors
46
Ingredients added to a product to enhance the effectiveness of a preservative are called?
Chelating agent
47
What is a non comedogenic emollient that gives products a silky feel?
Cyclomethicone
48
Which common ingredient groups delivers anti-inflammatory, antibacterial, anti-irritant and antioxidant benefits?
Botanicals
49
An ingredient used in skin care products to mask undesirable doors in the product base is?
Fragrance
50
Which terms identifies a product that offers a decreased tendency to provoke an allergic reaction?
Hypoallergenic
51
Chemically unstable molecules caused by environmental pollutants and UV exposure are called?
Free radical
52
Statements about sunscreens that are true:
They are usually 2% to 7% in concentration They are considered drugs under FDA guidelines They are used to block ultraviolet radiation
53
How many naturally occurring elements exist?
92
54
When no "trading" is taking place and the atom are sharing the electrons, they are held together by?
Covalent bond
55
When positive and negative ions join, they are held together by an?
Ionic bond
56
What is the pH pure distilled water?
7

Esthetics (17 decks)

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