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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?

A

Elements

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
Q

Which ability to bind a wide range of organic and inorganic matter to water?

A

Surfactants

26
Q

Wich cosmetic products is “forced together” by mixing the individual components using high temperatures or by agitating them?

A

Emulsion

27
Q

Oils and oil soluble substances used to condition and soften the skin by providing a protective coating are called?

A

Occlusive barrier

28
Q

The study of chemical reactions, such as growth, reproduction and respiration, that occur within a living organism is called?

A

Biochemistry

29
Q

What is the average pH range of the skin?

A

4.5 to 5.5

30
Q

The molecular weight of each element is determined by?

A

Protons and Neutrons

31
Q

The part of the atom that has no electrical charge is the?

A

Neutrons

32
Q

Which products has been formulated with a thickening agent to increase viscosity?

A

Gel

33
Q

Statements regarding aerosols are true:

A

They are explosive and flammable
They are packaged under pressure
They are flammable

34
Q

Statements about the Periodic Table of Chemical Elements are true:

A

There are 92 naturally occurring elements
Organised by their atomic number
Mendeleev and Meyer arranged the elements

35
Q

The ability to do work to accomplish some change is?

A

Energy

36
Q

The branch of science that deals with the chemicals related to life processes and their reactions within the body is called?

A

Organic chemistry

37
Q

Which skin renewal agents include antioxidants that can heal tissue and strengthen the skin, among other benefits?

A

Vitamins

38
Q

Products packaged under pressure and blended with a gas inside a container are called?

A

Aerosols

39
Q

Wich materials dissolve and break down large molecules into smaller ones?

A

enzymes

40
Q

What is created when two different elements are chemically united?

A

Compound

41
Q

Which ingredients are included in cosmetic products to maintain the product quality during manufacturing, storage and usage?

A

Preservatives

42
Q

Which statement is NOT true about fragrances?

A

Their ingredients are listed individually on label

43
Q

What vegetable, mineral or pigment dyes that are added to products to enhance?

A

Coloring agents

44
Q

Ingredients used in some treatment products to prevent skin inflammation and free radical damage are called?

A

Antioxidants

45
Q

Acids or bases used to adjust the desired product pH level are called?

A

pH adjustors

46
Q

Ingredients added to a product to enhance the effectiveness of a preservative are called?

A

Chelating agent

47
Q

What is a non comedogenic emollient that gives products a silky feel?

A

Cyclomethicone

48
Q

Which common ingredient groups delivers anti-inflammatory, antibacterial, anti-irritant and antioxidant benefits?

A

Botanicals

49
Q

An ingredient used in skin care products to mask undesirable doors in the product base is?

A

Fragrance

50
Q

Which terms identifies a product that offers a decreased tendency to provoke an allergic reaction?

A

Hypoallergenic

51
Q

Chemically unstable molecules caused by environmental pollutants and UV exposure are called?

A

Free radical

52
Q

Statements about sunscreens that are true:

A

They are usually 2% to 7% in concentration
They are considered drugs under FDA guidelines
They are used to block ultraviolet radiation

53
Q

How many naturally occurring elements exist?

A

92

54
Q

When no “trading” is taking place and the atom are sharing the electrons, they are held together by?

A

Covalent bond

55
Q

When positive and negative ions join, they are held together by an?

A

Ionic bond

56
Q

What is the pH pure distilled water?

A

7

Esthetics (17 decks)

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