Miladys Standard Cosmetology- Chapter 9

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  • 1/47 Questions

    The scientific study of the hair ,its diseases and care is called 

    • Dermatology
    • Trichology
    • Biology
    • Cosmetology
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About This Quiz

This quiz from 'Miladys Standard Cosmetology - Chapter 9' covers key concepts in trichology, the study of hair, its structure, diseases, and care. It tests understanding of hair anatomy including the shaft, root, and associated structures, essential for cosmetology professionals.

Miladys Standard Cosmetology- Chapter 9 - Quiz

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  • 2. 

    The two parts of a mature hair strand are the hair shaft and 

    • Dermis

    • Hair follicle

    • Hair root

    • Hair ends

    Correct Answer
    A. Hair root
    Explanation
    The hair root is the correct answer because it is one of the two parts of a mature hair strand. The hair root is located beneath the surface of the skin and is responsible for anchoring the hair in place. It is made up of living cells that divide and grow to produce the hair shaft. The hair root also contains the hair bulb, which is the base of the hair follicle where new hair cells are formed. The hair shaft, on the other hand, is the visible part of the hair that extends above the surface of the skin.

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  • 3. 

    The portion of the hair that projects above the skin is the 

    • Dermal papilla

    • Hair shaft

    • Hair root

    • Follicle

    Correct Answer
    A. Hair shaft
    Explanation
    The hair shaft is the portion of the hair that is visible above the skin. It is the part of the hair that we can see and touch. The hair shaft is made up of dead cells that have been pushed up through the hair follicle. It is responsible for giving hair its color and texture. The dermal papilla, hair root, and follicle are all parts of the hair, but they are located below the skin surface and are not visible.

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  • 4. 

    The follicle, bulb, papilla, arrector pili muscle, and sebaceous glands are the main structures of the 

    • Hair shaft

    • Sudoriferous glands

    • Cortex layers

    • Hair root

    Correct Answer
    A. Hair root
    Explanation
    The follicle, bulb, papilla, arrector pili muscle, and sebaceous glands are all components of the hair root. The hair root is the part of the hair that is located below the surface of the skin and is responsible for hair growth. The follicle surrounds the hair root and provides nourishment to the hair. The bulb is located at the base of the hair root and contains the cells that produce the hair shaft. The papilla is a small, cone-shaped structure at the base of the hair root that contains blood vessels and nerves. The arrector pili muscle is attached to the hair follicle and is responsible for causing the hair to stand up when it contracts. The sebaceous glands are located near the hair root and produce sebum, an oily substance that helps to moisturize the hair and skin.

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  • 5. 

    The tubelike depression or pocket in the skin or scalp that contains the hair root is the 

    • Follicle

    • Shaft

    • Bulb

    • Scalp

    Correct Answer
    A. Follicle
    Explanation
    The correct answer is follicle because it is the tubelike depression or pocket in the skin or scalp that contains the hair root. The follicle is responsible for producing and nourishing the hair strand, and it also plays a role in determining the hair's growth cycle and texture. The shaft refers to the visible part of the hair above the skin's surface, while the bulb is the rounded base of the hair follicle where the hair matrix is located. The scalp, on the other hand, refers to the skin covering the top of the head.

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  • 6. 

    Hair follicles are not found on the palms of the hands or the 

    • Forehead area

    • Elbow area

    • Soles of the feet

    • Back of the neck

    Correct Answer
    A. Soles of the feet
    Explanation
    Hair follicles are not found on the soles of the feet because the skin on the soles of the feet is thick and does not have hair follicles. Hair follicles are responsible for producing hair, and they are typically found on areas of the body with thinner skin, such as the scalp, arms, legs, and back. The absence of hair follicles on the soles of the feet helps to protect the feet from excessive friction and allows for better traction when walking or running.

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  • 7. 

    The follicle extends downward from the epidermis, where it surrounds the 

    • Epidermis layer

    • Dermal papilla

    • Hair root

    • Hair shaft

    Correct Answer
    A. Dermal papilla
    Explanation
    The dermal papilla is the correct answer because it is the structure located at the base of the hair follicle. It is responsible for supplying nutrients to the hair follicle and regulating hair growth. The dermal papilla contains blood vessels that deliver oxygen and nutrients to the hair root, which is necessary for hair growth. Therefore, the dermal papilla plays a crucial role in the overall health and growth of the hair.

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  • 8. 

    The lowest area or part of the hair strad is the 

    • Hair bulb

    • Hair shaft

    • Arrector pili

    • Sebaceous gland

    Correct Answer
    A. Hair bulb
    Explanation
    The hair bulb is the lowest area or part of the hair strand. It is located at the base of the hair follicle and is responsible for the growth and nourishment of the hair. The hair bulb contains the papilla, which supplies blood to the hair follicle, and the matrix cells, which produce new hair cells. The hair shaft refers to the visible part of the hair above the scalp. The arrector pili muscles are attached to the hair follicle and are responsible for causing the hair to stand up when stimulated. The sebaceous gland produces sebum, an oily substance that helps to moisturize and protect the hair and scalp.

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  • 9. 

    A small cone-shapd area at the base of the hair follicle that fits into the hair bulb is the 

    • Sweat pore

    • Hair follicle

    • Dermal papilla

    • Lymph gland

    Correct Answer
    A. Dermal papilla
    Explanation
    The dermal papilla is a small cone-shaped area at the base of the hair follicle that fits into the hair bulb. It is responsible for supplying nutrients and oxygen to the hair follicle, which is necessary for hair growth. The dermal papilla also plays a role in regulating the hair growth cycle and determining the thickness and color of the hair.

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  • 10. 

    A tiny, involuntary muscle fiber inserted in the base of the hair follicle is the 

    • Dermal papilla

    • Arrector pili

    • Lanugo hair

    • Hair bulb

    Correct Answer
    A. Arrector pili
    Explanation
    The arrector pili is a tiny, involuntary muscle fiber that is inserted in the base of the hair follicle. When this muscle contracts, it causes the hair to stand upright, leading to the phenomenon known as "goosebumps." This muscle is responsible for controlling the movement of the hair and is connected to the dermal papilla, which is a structure that provides nourishment to the hair follicle. The lanugo hair refers to the fine, soft hair that covers the body of a developing fetus, while the hair bulb is the rounded, lower part of the hair follicle that contains the living cells responsible for hair growth.

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  • 11. 

    The oil glands of the skin connected to the hair follicle are 

    • Sweat glands

    • Dermal papilla

    • Sebaceous glands

    • Hair streams

    Correct Answer
    A. Sebaceous glands
    Explanation
    The correct answer is sebaceous glands. Sebaceous glands are the oil glands of the skin that are connected to the hair follicles. They secrete an oily substance called sebum, which helps to lubricate the hair and skin. This helps to keep the hair and skin moisturized and prevents them from drying out. Sweat glands, dermal papilla, and hair streams are not connected to the oil glands of the skin.

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  • 12. 

    An oily substance secreted from the sebaceous glands is 

    • Sweat

    • Medulla

    • Sebum

    • Salt

    Correct Answer
    A. Sebum
    Explanation
    Sebum is the correct answer because it is an oily substance that is secreted from the sebaceous glands. These glands are found in the skin and their primary function is to lubricate and waterproof the skin and hair. Sebum helps to keep the skin moisturized and prevents it from drying out. It also helps to protect the skin from external factors such as bacteria and fungi. Therefore, sebum plays an important role in maintaining the health and integrity of the skin.

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  • 13. 

    The overlapping layer of hair with transparent, scalelike cells is the 

    • Bulb

    • Follicle

    • Cuticle

    • Medulla

    Correct Answer
    A. Cuticle
    Explanation
    The correct answer is cuticle. The cuticle is the overlapping layer of hair with transparent, scale-like cells. It acts as a protective barrier for the hair shaft and helps to prevent damage and dehydration.

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  • 14. 

    The three main layers of the hair shaft are the cuticle, medulla and 

    • Cortex

    • Shaft

    • Root

    • Bulb

    Correct Answer
    A. Cortex
    Explanation
    The three main layers of the hair shaft are the cuticle, medulla, and cortex. The cuticle is the outermost layer, consisting of overlapping scales that protect the inner layers. The medulla is the innermost layer, which may or may not be present in all hair types. The cortex is the middle layer, responsible for the hair's strength, elasticity, and color. It contains proteins called keratin, which give the hair its structure. The cortex also houses the pigment cells that determine the hair's color.

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  • 15. 

    Swelling the hair raises the cuticle layer and allows for 

    • Primary defense

    • Penetration

    • Cross sections

    • Growth phase

    Correct Answer
    A. Penetration
    Explanation
    When the hair swells, it raises the cuticle layer, which is the outer protective layer of the hair. This raised cuticle layer allows for penetration, meaning that substances or products can easily enter the hair shaft. This can be beneficial for various purposes such as deep conditioning treatments, coloring or dyeing the hair, or applying hair care products that need to reach the inner layers of the hair for maximum effectiveness.

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  • 16. 

    For chemicals to penetrate a healthy cuticle layer and allows for 

    • Expose the mantle layer

    • Stiffen the hair shaft

    • Have alkaline ph

    • Remove the cuticle layer

    Correct Answer
    A. Have alkaline ph
    Explanation
    Chemicals with an alkaline pH can penetrate the healthy cuticle layer of hair. The cuticle layer is made up of overlapping scales that protect the inner layers of the hair shaft. An alkaline pH opens up the cuticle scales, allowing the chemicals to enter and interact with the inner layers of the hair. This can be useful in processes such as hair coloring or chemical treatments, where the chemicals need to reach the cortex of the hair shaft for desired results.

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  • 17. 

    The fiberous protein core of the hair , formed by elongated cells containing melanin pigment, is the 

    • Lower follicle

    • Cortex layer

    • Vellus hair

    • Dermal papilla

    Correct Answer
    A. Cortex layer
    Explanation
    The correct answer is cortex layer. The cortex layer is the fiberous protein core of the hair that is formed by elongated cells containing melanin pigment. It is responsible for giving hair its strength, elasticity, and color. The cortex layer is located between the cuticle (outermost layer) and the medulla (innermost layer) of the hair shaft.

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  • 18. 

    The medulla is the innermost layer of the hair and is composed of 

    • Oval cells

    • Round cells

    • Coarse hair

    • Hair follicles

    Correct Answer
    A. Round cells
    Explanation
    The medulla is the innermost layer of the hair and is composed of round cells. The medulla is the central core of the hair shaft and can vary in size and shape. It is not always present in every hair strand and can be absent in some individuals. The round cells in the medulla provide support and structure to the hair strand.

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  • 19. 

    Hair is composed of a protein that grows from cells originating withing the 

    • Hair shaft

    • Hair follicle

    • Amino acids

    • Mail elements

    Correct Answer
    A. Hair follicle
    Explanation
    Hair is composed of a protein that grows from cells originating within the hair follicle. The hair follicle is a small cavity in the skin from which the hair grows. It contains the hair root, which is responsible for producing new cells that eventually form the hair shaft. The hair follicle also contains the sebaceous gland, which produces sebum to moisturize the hair and scalp. Therefore, the hair follicle is the correct answer as it is the structure that houses the cells responsible for hair growth.

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  • 20. 

    The process whereby living cells mature and begin their journey up the hair shaft it 

    • Simplicity

    • Scalp

    • Keratinization

    • Medulla

    Correct Answer
    A. Keratinization
    Explanation
    Keratinization is the process by which living cells mature and start moving up the hair shaft. This process involves the cells in the hair follicle producing keratin, a protein that makes up the hair shaft. As the cells mature and move upwards, they become filled with keratin and eventually form the hair strand. Keratinization is an essential step in the growth and development of hair.

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  • 21. 

    The five main elements that make up the chemical composition of human hair are carbon oxygen hydrogen and 

    • Protein and amino

    • Cells and keratin

    • Elements and protein

    • Nitrogen and sulfur

    Correct Answer
    A. Nitrogen and sulfur
    Explanation
    Human hair is primarily composed of a protein called keratin. Keratin is made up of amino acids, which contain nitrogen and sulfur. These elements are essential for the structure and strength of the hair. Therefore, the correct answer is nitrogen and sulfur.

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  • 22. 

    The chemical bonds that hold together the amino acid molecules are 

    • Convex bonds

    • Peptide bonds

    • Hydrogen drops

    • Protein cells

    Correct Answer
    A. Peptide bonds
    Explanation
    Peptide bonds are the chemical bonds that hold together amino acid molecules. These bonds form between the carboxyl group of one amino acid and the amino group of another amino acid, resulting in the formation of a peptide chain. Peptide bonds are essential for the structure and function of proteins, as they determine the specific sequence of amino acids in a protein molecule. Convex bonds, hydrogen drops, and protein cells are not accurate terms to describe the bonds between amino acids.

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  • 23. 

    An end bond is also known as a (n)

    • Molecule bond

    • Chain bond

    • Peptide bond

    • Elastic bond

    Correct Answer
    A. Peptide bond
    Explanation
    An end bond is also known as a peptide bond. A peptide bond is a covalent bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid, resulting in the formation of a peptide chain. This bond is crucial in the formation of proteins, as it allows for the linking of amino acids in a specific sequence to create the desired protein structure.

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  • 24. 

    When peptide bonds hold together a very long chain of amino acids, it is called a 

    • Polypeptide chain

    • Hydrogen chain

    • COHNS bond

    • Elasticity bond

    Correct Answer
    A. Polypeptide chain
    Explanation
    A polypeptide chain is formed when peptide bonds hold together a long chain of amino acids. Peptide bonds are covalent bonds that link the carboxyl group of one amino acid to the amino group of another amino acid. These bonds create a linear sequence of amino acids, forming a polypeptide chain. This chain can fold and twist to create a specific three-dimensional structure, which is important for the function of proteins. The other options (hydrogen chain, COHNS bond, and elasticity bond) do not accurately describe the formation of a polypeptide chain.

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  • 25. 

    The three types of cross-links that form the bonds between the polypeptide chains are hydrogen bonds, salt bonds , and 

    • Disulfide bonds

    • Water bonds

    • Nitrogen bonds

    • Elastin bonds

    Correct Answer
    A. Disulfide bonds
    Explanation
    The correct answer is disulfide bonds. Disulfide bonds are covalent bonds formed between two cysteine amino acids in a polypeptide chain. These bonds are strong and stable, contributing to the overall structure and stability of proteins. Hydrogen bonds are weaker and form between the hydrogen atom of one amino acid and the oxygen or nitrogen atom of another. Salt bonds, also known as ionic bonds, form between positively and negatively charged amino acids. There is no such thing as water bonds or nitrogen bonds in the context of polypeptide chains. Elastin bonds are not a recognized type of cross-link.

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  • 26. 

    A weak type of physical side bond that is easily broken by water or heat is a (n)

    • Amino acid

    • Peptide chain

    • Single bond

    • Hydrogen bond

    Correct Answer
    A. Hydrogen bond
    Explanation
    A hydrogen bond is a weak type of physical side bond that can be easily broken by water or heat. It occurs when a hydrogen atom is attracted to an electronegative atom, such as oxygen or nitrogen, in a different molecule. This attraction is not as strong as a covalent or ionic bond, making hydrogen bonds relatively weak. They play a crucial role in various biological processes, such as the folding of proteins and the structure of DNA.

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  • 27. 

    A salt bond is easily broken with the use of 

    • Several acidic solutions

    • Conditioning treatments

    • Strong alkaline or acidic solutions

    • Thermal styling techniques

    Correct Answer
    A. Strong alkaline or acidic solutions
    Explanation
    A salt bond is a type of chemical bond that can form between the positive and negative ions in a salt compound. These bonds are relatively weak and can be easily broken by strong alkaline or acidic solutions. These solutions have a high concentration of hydrogen or hydroxide ions, which can disrupt the ionic interactions between the ions in the salt bond, causing it to break. The other options, such as acidic solutions, conditioning treatments, and thermal styling techniques, may not have the same level of acidity or alkalinity to break the salt bond effectively.

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  • 28. 

    Bonds that must be chemically separated are 

    • Disulfide bonds

    • Sulfur bonds

    • Cross links

    • Porosity

    Correct Answer
    A. Disulfide bonds
    Explanation
    Disulfide bonds are bonds that must be chemically separated. These bonds are formed between two sulfur atoms in a protein molecule and are responsible for the protein's three-dimensional structure. Breaking these bonds requires the addition of a reducing agent, such as dithiothreitol or beta-mercaptoethanol, which can break the covalent bonds between the sulfur atoms. Therefore, disulfide bonds are the correct answer in this case.

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  • 29. 

    Hydrogen chemical hair relaxers break disulfide bonds and during rinsing convert them to 

    • COHNS bonds

    • Protein bonds

    • Sebum bonds

    • Lanthionine bonds

    Correct Answer
    A. Lanthionine bonds
    Explanation
    Hydrogen chemical hair relaxers break disulfide bonds in the hair, which are responsible for the hair's natural curl or wave pattern. During rinsing, these broken disulfide bonds are converted into lanthionine bonds. Lanthionine bonds are formed between the sulfur atoms in cysteine residues, creating a new, more relaxed structure in the hair. This allows the hair to remain straightened even after the relaxer is rinsed out.

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  • 30. 

    The natual hair pigment found in the cortex layer of the hair 

    • Melanin

    • Tissue

    • Protein

    • Brown

    Correct Answer
    A. Melanin
    Explanation
    Melanin is the natural hair pigment found in the cortex layer of the hair. It is responsible for giving color to the hair, ranging from black to brown to blonde. Melanin is produced by specialized cells called melanocytes, which are located in the hair follicles. The amount and type of melanin present in the hair determine its color.

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  • 31. 

    Two different types of melanin are eumelanin and 

    • Phosphorus

    • Pheomelanin

    • Keratin

    • Sulfur

    Correct Answer
    A. Pheomelanin
    Explanation
    Eumelanin and pheomelanin are two different types of melanin. Eumelanin is responsible for brown and black pigments in the hair, skin, and eyes, while pheomelanin is responsible for red and yellow pigments. Phosphorus, keratin, and sulfur are not types of melanin and do not play a role in determining pigmentation. Therefore, the correct answer is pheomelanin.

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  • 32. 

    Natural wave patterns are the result of 

    • Trichoptilosis

    • Health

    • Structure

    • Genetics

    Correct Answer
    A. Genetics
    Explanation
    Natural wave patterns in hair are determined by genetics. Trichoptilosis refers to split ends, which is not related to wave patterns. Health and structure may affect the overall appearance and quality of hair, but they do not specifically determine wave patterns. Genetics, on the other hand, play a significant role in determining the natural texture and wave pattern of an individual's hair.

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  • 33. 

    Asians tend to have 

    • Extremely straight hair

    • Extremely curly hair

    • Straight to wavy hair

    • Wavy to curly hair

    Correct Answer
    A. Extremely straight hair
    Explanation
    Asians tend to have extremely straight hair because of the genetic characteristics that are common among Asian populations. The hair follicles of Asians produce straight hair shafts that grow parallel to the scalp. This is due to the shape of the hair follicle and the distribution of proteins in the hair shaft. Additionally, the production of sebum, the natural oil that moisturizes the hair, is lower in Asians, which contributes to the straightness of their hair.

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  • 34. 

    Extremely curly hair grows 

    • In long twisted spirals

    • In short curves

    • In a very regular pattern

    • With very thick texture

    Correct Answer
    A. In long twisted spirals
    Explanation
    Extremely curly hair grows in long twisted spirals because the shape of the hair follicle is oval, causing the hair strand to grow in a curved or spiral shape. This type of hair texture is characterized by tightly coiled curls that can range from small to large in size. The spiral shape of the hair strands gives it its unique curly pattern.

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  • 35. 

    To help minimalize tangles in extremely curly hair when washing, you should use 

    • A drying shampoo

    • Strong scalp manipulations

    • A detangling rinse

    • Regular soap instead of shampoo

    Correct Answer
    A. A detangling rinse
    Explanation
    To help minimalize tangles in extremely curly hair when washing, using a detangling rinse is the best option. Detangling rinses are specifically designed to help loosen knots and tangles in the hair, making it easier to comb through and reducing breakage. This type of rinse typically contains ingredients that provide slip and moisture to the hair, making it more manageable and less prone to tangling. Using a drying shampoo or regular soap instead of shampoo can strip the hair of its natural oils and make it more prone to tangling. Strong scalp manipulations may cause further damage and breakage to the hair.

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  • 36. 

    Extremely curly hair may often break or knot easily due to 

    • Humidity

    • Density

    • High elasticity

    • Low elasticity

    Correct Answer
    A. Low elasticity
    Explanation
    Extremely curly hair may often break or knot easily due to low elasticity. Low elasticity means that the hair does not have much flexibility or stretch, making it more prone to breakage and tangling. This lack of elasticity can be caused by various factors such as genetics, excessive heat styling, chemical treatments, or damage from harsh hair products. When the hair lacks elasticity, it becomes more fragile and susceptible to damage, resulting in breakage and knots, especially in humid conditions where the hair absorbs moisture and becomes more prone to frizz and tangling.

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  • 37. 

    Four important factors to consider in hair analysis are texture and porosity 

    • Elasticity and density

    • Dryness and length

    • Oiliness and length

    • Oiliness and color

    Correct Answer
    A. Elasticity and density
    Explanation
    In hair analysis, elasticity and density are important factors to consider. Elasticity refers to the hair's ability to stretch and return to its original shape without breaking, which can indicate the hair's overall health and strength. Density, on the other hand, refers to the number of individual hair strands on the scalp, which can indicate the thickness and fullness of the hair. These two factors provide valuable information about the condition and characteristics of the hair, making them crucial in hair analysis.

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  • 38. 

    The thickness or diameter of the individual hair strand is the 

    • Hair strand

    • Hair porosity

    • Hair texture

    • Hair elasticity

    Correct Answer
    A. Hair texture
    Explanation
    Hair texture refers to the thickness or diameter of the individual hair strand. It is determined by the shape and size of the hair follicle. Hair texture can be classified into three categories: fine, medium, and coarse. Fine hair strands have a smaller diameter, while coarse hair strands have a larger diameter. Hair texture plays a significant role in determining how the hair looks and behaves, including factors such as volume, manageability, and styling options.

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  • 39. 

    Hair texture is classified as 

    • Coarse, medium , fine

    • Coarse, straight , curly

    • Large or small diameter

    • Long, medium , or short

    Correct Answer
    A. Coarse, medium , fine
    Explanation
    Hair texture is classified based on its thickness and diameter. Coarse hair has a larger diameter, making it thicker and more resistant to styling. Medium hair falls in between coarse and fine hair in terms of diameter and thickness. Fine hair has a smaller diameter, making it thinner and more delicate. Therefore, hair texture can be categorized as coarse, medium, or fine depending on the diameter and thickness of the hair strands.

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  • 40. 

    The measurment of an individual hair strands on one square inch if the scalp is 

    • Hair density

    • Hair structure

    • Hair length

    • Hair porosity

    Correct Answer
    A. Hair density
    Explanation
    The measurement of an individual hair strands on one square inch of the scalp refers to hair density. Hair density is the number of hair strands per unit area of the scalp, indicating how thick or thin the hair appears. It is different from hair structure, which refers to the shape and pattern of the hair strands, hair length, which refers to the length of the hair, and hair porosity, which refers to the hair's ability to absorb and retain moisture.

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  • 41. 

    The ability of the hair to absorb water or oil is 

    • Resistance

    • Porosity

    • Elasticity

    • Texture

    Correct Answer
    A. Porosity
    Explanation
    Porosity refers to the ability of hair to absorb water or oil. It determines how easily hair can absorb and retain moisture. Hair with high porosity has cuticles that are more open, allowing water and oil to be absorbed quickly but also causing the hair to lose moisture easily. On the other hand, hair with low porosity has cuticles that are tightly packed, making it more difficult for water and oil to penetrate the hair shaft. Therefore, porosity is the most suitable term to describe the hair's ability to absorb water or oil.

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  • 42. 

    Chemical serices performed on hair with low porosity require 

    • Neutral solutions

    • More acidic solutions

    • More alkaline solutions

    • Water solutions

    Correct Answer
    A. More alkaline solutions
    Explanation
    Chemical services performed on hair with low porosity require more alkaline solutions. Low porosity hair has a tightly closed cuticle layer, making it difficult for chemicals to penetrate. Alkaline solutions help to open up the cuticle layer and allow the chemicals to enter the hair shaft. This is necessary for processes such as coloring or perming, where the chemicals need to reach the cortex of the hair. Acidic solutions would not be effective in this case as they would further close the cuticle, making it even more difficult for the chemicals to penetrate. Neutral solutions or water solutions would not have the necessary pH level to open up the cuticle layer.

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  • 43. 

    Hair with high porosity is often the result of 

    • Overprocessing

    • Conditioning

    • Too many shampoos

    • Hair texture

    Correct Answer
    A. Overprocessing
    Explanation
    Hair with high porosity is often the result of overprocessing. Overprocessing refers to excessive use of chemical treatments such as bleaching, perming, or coloring, which can damage the hair cuticle and make it more porous. When the hair cuticle is damaged, it becomes more prone to absorbing and losing moisture, leading to dryness, frizz, and breakage. Conditioning and using too many shampoos can also affect hair health, but overprocessing is specifically linked to high porosity. Hair texture can vary and may contribute to porosity, but it is not the primary cause.

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  • 44. 

    The abiliy of the hair to stretch and return without breaking is 

    • Elasticity

    • Bounce

    • Porosity

    • Melanin

    Correct Answer
    A. Elasticity
    Explanation
    Elasticity refers to the ability of hair to stretch and then return to its original shape without breaking. This property is important for maintaining the strength and health of the hair. Bounce refers to the ability of hair to have volume and movement. Porosity refers to how easily hair absorbs and retains moisture. Melanin is the pigment responsible for the color of hair.

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  • 45. 

    Wet hair with normal elasticity will stretch up to 

    • 25 percent

    • 40 percent

    • 50 percent

    • 70 percent

    Correct Answer
    A. 50 percent
    Explanation
    Wet hair with normal elasticity will stretch up to 50 percent. When hair is wet, it becomes more elastic and can stretch without breaking. Normal elasticity means that the hair has a healthy amount of moisture and protein, allowing it to stretch up to 50 percent of its original length before returning to its original shape. This level of elasticity is considered ideal for hair health and flexibility.

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  • 46. 

    When shaping and styling hair, consider the hair's 

    • Length and color

    • Natural growth pattern

    • Natural shine and condition

    • Texture and color

    Correct Answer
    A. Natural growth pattern
    Explanation
    When shaping and styling hair, it is important to consider the natural growth pattern of the hair. This is because each person's hair has a unique growth pattern that determines how it falls and lays on the head. By understanding and working with the natural growth pattern, hairstylists can create hairstyles that enhance the hair's natural movement and flow, resulting in a more flattering and cohesive look.

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  • 47. 

    Dry hair and scalp can be caused by 

    • Inactive sebaceous glands

    • Alkaline water

    • Dry shampoos

    • Flaky scalp

    Correct Answer
    A. Inactive sebaceous glands
    Explanation
    Dry hair and scalp can be caused by inactive sebaceous glands. Sebaceous glands are responsible for producing sebum, which is the natural oil that moisturizes and protects the hair and scalp. When these glands are inactive, there is a lack of sebum production, leading to dryness. Alkaline water, dry shampoos, and flaky scalp can also contribute to dryness, but the primary cause in this case is inactive sebaceous glands.

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Quiz Review Timeline (Updated): Jun 18, 2024 +

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  • Current Version
  • Jun 18, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 26, 2012
    Quiz Created by
    Mgosselin0113

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