Hair And Scalp Properties Quiz! Trivia

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  • 1/60 Questions

    The _______ glands secrete sebum?

    • Sudoriferous
    • Parotid
    • Sebaceous
    • Duodenal
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About This Quiz


Do you know anything about hair and scalp properties? Cosmetologists should study hair and scalp properties because they must learn specifically about their client’s hair and what is best for it. Chemical services should be available to clients and help them to take care of their hair. There are also a plethora of ways to cut and style hair. Take this quiz on hair and scalp properties and see if you make the cut.

Hair And Scalp Properties Quiz! Trivia - Quiz

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  • 2. 

    The ability of the hair to absorb moisture is called?

    • Porosity

    • Texture

    • Elasticity

    • Stream

    Correct Answer
    A. Porosity
    Explanation
    Porosity refers to the hair's ability to absorb moisture. It is a measure of how easily water and other substances can penetrate the hair shaft. Hair with high porosity absorbs moisture quickly and easily, while hair with low porosity has a hard time absorbing moisture. Porosity is an important factor to consider when choosing hair care products and styling techniques, as it affects how the hair retains moisture and reacts to various treatments.

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  • 3. 

    Hair is approximately 90 percent?

    • Protein

    • Carbohydrates

    • Fat

    • Melanin

    Correct Answer
    A. Protein
    Explanation
    Hair is made up of a protein called keratin, which is responsible for its strength and structure. Keratin makes up approximately 90 percent of the composition of hair. It provides hair with its elasticity and helps to prevent breakage. Protein is essential for the growth and maintenance of hair, and a lack of protein in the diet can lead to weak and brittle hair. Therefore, it is correct to say that hair is approximately 90 percent protein.

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  • 4. 

    The term used to describe abnormal hair loss is?

    • Scutula

    • Monilethrix

    • Alopecia

    • Trichoptilosis

    Correct Answer
    A. Alopecia
    Explanation
    Alopecia is the correct answer because it is the term used to describe abnormal hair loss. Alopecia can refer to hair loss on the scalp or any other part of the body. It can be caused by various factors such as genetics, hormonal changes, autoimmune diseases, and certain medications. The term "Scutula" refers to a crust or scab on the skin, "Monilethrix" is a rare genetic condition that causes hair to become brittle and break easily, and "Trichoptilosis" is the medical term for split ends.

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  • 5. 

    The ability of the hair to stretch & return to its original length without breaking is called?

    • Stream

    • Elasticity

    • Density

    • Texture

    Correct Answer
    A. Elasticity
    Explanation
    Elasticity refers to the ability of hair to stretch and then return to its original length without breaking. This property is important for hair as it allows it to withstand tension and manipulation without snapping or becoming damaged. Hair with good elasticity is less prone to breakage and can better withstand styling techniques such as heat and chemical treatments.

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  • 6. 

    Proteins are made of long chain of?

    • Canities

    • Amino Acids

    • Helices

    • Elements

    Correct Answer
    A. Amino Acids
    Explanation
    Proteins are made up of long chains of amino acids. Amino acids are organic compounds that contain an amino group (-NH2) and a carboxyl group (-COOH). These amino acids are linked together through peptide bonds to form polypeptide chains, which then fold into specific three-dimensional structures to create functional proteins. Therefore, the correct answer is amino acids.

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  • 7. 

    Which type of Alopecia describes temporary hair loss at the end of a pregnancy?

    • Alopecia Areata

    • Androgenic Alopecia

    • Postpartum Alopecia

    • Alopecia Totalis

    Correct Answer
    A. Postpartum Alopecia
    Explanation
    Postpartum Alopecia refers to temporary hair loss that occurs after giving birth. During pregnancy, hormonal changes cause an increase in hair growth, resulting in thicker and fuller hair. However, after delivery, hormone levels return to normal, and many women experience excessive shedding of hair, leading to thinning or bald spots. This condition is temporary and usually resolves on its own within a few months. Alopecia Areata is an autoimmune condition causing patchy hair loss, Androgenic Alopecia is genetic hair loss, and Alopecia Totalis refers to complete hair loss on the scalp.

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  • 8. 

    Hair that has the largest diameter & usually requires more processing time is?

    • Medium

    • Straight

    • Fine

    • Coarse

    Correct Answer
    A. Coarse
    Explanation
    Coarse hair refers to hair that has a larger diameter compared to other types of hair. This means that each individual strand of coarse hair is thicker. Due to its larger diameter, coarse hair usually requires more processing time, whether it's for styling, coloring, or other treatments. This is because the larger diameter of each strand makes it more resistant to chemical processes and heat styling. Therefore, coarse hair requires more time and effort to achieve desired results compared to hair with smaller diameters.

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  • 9. 

    Hair follicles are distributed all over the body, with the exception of the?

    • Face and palms of hands

    • Palms of hands and elbows

    • Palms of hands and soles of feet

    • Soles of feet and forearms

    Correct Answer
    A. Palms of hands and soles of feet
    Explanation
    Hair follicles are distributed all over the body, except for the palms of hands and soles of feet. This is because the skin on the palms and soles is thick and specialized for gripping and walking, respectively. The absence of hair follicles in these areas allows for better tactile sensitivity and grip.

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  • 10. 

    The technical term used to describe gray hair is?

    • Malassezia

    • Canities

    • Hypertrichosis

    • Pityriasis

    Correct Answer
    A. Canities
    Explanation
    Canities is the correct answer because it is the technical term used to describe gray hair. It refers to the loss of pigmentation in the hair, resulting in a gray or white color. Malassezia is a type of fungus that can cause skin conditions, Hypertrichosis is excessive hair growth, and Pityriasis is a skin condition characterized by flaking and scaling.

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  • 11. 

    Which of the following is NOT one of the three types of side bonds of the cortex?

    • Disulfide bonds

    • Hydrogen bonds

    • Salt bonds

    • Cortex bonds

    Correct Answer
    A. Cortex bonds
    Explanation
    The given answer, "Cortex bonds," is not one of the three types of side bonds of the cortex. The three types of side bonds of the cortex are disulfide bonds, hydrogen bonds, and salt bonds. Cortex bonds are not recognized as a type of side bond in the cortex.

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  • 12. 

    The five major elements in skin & hair are referred to as the __________ elements.

    • Amino

    • COHNS

    • Hair

    • TRASK

    Correct Answer
    A. COHNS
    Explanation
    The five major elements in skin & hair are referred to as the COHNS elements. COHNS stands for Carbon, Oxygen, Hydrogen, Nitrogen, and Sulfur, which are the essential elements found in proteins, nucleic acids, and other important molecules in the skin and hair. These elements are crucial for maintaining the structure, function, and overall health of the skin and hair.

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  • 13. 

    The scientific study of hair & its diseases & care is called?

    • Physiology

    • Trichology

    • Cosmetology

    • Dermatology

    Correct Answer
    A. Trichology
    Explanation
    Trichology is the correct answer because it specifically refers to the scientific study of hair and its diseases and care. Physiology is the study of how living organisms function, which is too broad to be the correct answer. Cosmetology is the study of beauty treatments, including hair, but it does not focus solely on the scientific aspect of hair. Dermatology is the branch of medicine that deals with the skin, hair, and nails, but it does not solely focus on hair. Therefore, Trichology is the most appropriate term for the scientific study of hair and its related aspects.

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  • 14. 

    A helix is?

    • Spiral-shaped

    • Round

    • Rectangular

    • Square

    Correct Answer
    A. Spiral-shaped
    Explanation
    A helix is a shape that resembles a spiral. It is characterized by a curved or coiled structure that follows a consistent pattern. This spiral-shaped structure can be observed in various natural and man-made objects, such as DNA molecules, snail shells, and springs. The term "helix" is derived from the Greek word "helix" meaning "spiral."

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  • 15. 

    Vellus hair almost never has a?

    • Medulla

    • Shaft

    • Cuticle 

    • Cortex

    Correct Answer
    A. Medulla
    Explanation
    Vellus hair refers to the fine, short, and barely noticeable hair that covers most of our body. Unlike terminal hair (such as scalp hair), vellus hair almost never has a medulla. The medulla is the innermost layer of the hair shaft and is composed of loosely packed cells. Since vellus hair is thin and fine, it lacks the medulla, which is commonly found in thicker and coarser terminal hair.

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  • 16. 

    New hair is produced during the _______ phase, or growing phase, of hair growth?

    • Paragen

    • Anagen

    • Telogen

    • Catagen

    Correct Answer
    A. Anagen
    Explanation
    During the anagen phase of hair growth, new hair is produced. This is the active phase where the hair follicles are actively dividing and producing new cells. The hair shaft grows longer during this phase, and it can last for several years. After the anagen phase, the hair enters the catagen phase, followed by the telogen phase, where the hair stops growing and eventually falls out. Therefore, the anagen phase is the correct answer as it specifically refers to the phase of hair growth when new hair is produced.

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  • 17. 

    The maturing process of hair is?

    • Malasezia

    • Pityriasis

    • Keratinization

    • Trichoptilosis

    Correct Answer
    A. Keratinization
    Explanation
    Keratinization is the correct answer because it refers to the process by which hair cells undergo maturation and become hard and durable. During keratinization, the hair cells produce the protein keratin, which gives hair its strength and structure. This process occurs as new hair cells are formed at the base of the hair follicle and push older cells upward, causing them to become keratinized and form the shaft of the hair.

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  • 18. 

    Pheomelanin provides hair colors ranging from?

    • Gray to blond

    • Red to blond

    • Brown to black

    • Red to black

    Correct Answer
    A. Red to blond
    Explanation
    Pheomelanin is a pigment that is responsible for providing red and blonde hair colors. It is a type of melanin that is found in varying amounts in individuals with different hair colors. Higher levels of pheomelanin result in red hair, while lower levels result in blonde hair. Therefore, the correct answer is "Red to blond".

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  • 19. 

    Hair ________ is the thickness or diameter of the individual hair strand.

    • Texture

    • Length

    • Strength

    • Shape

    Correct Answer
    A. Texture
    Explanation
    Hair texture refers to the thickness or diameter of the individual hair strand. It can be classified as fine, medium, or coarse. Texture plays a significant role in determining how the hair looks, feels, and behaves. It affects how easily the hair can be styled, the level of volume and body it has, and its overall appearance. Different hair textures require different types of care and styling techniques. Length, strength, and shape are not directly related to the thickness or diameter of the hair strand, hence they are not the correct answers.

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  • 20. 

    The measurement of the individual hair strands on 1 square inch of the hair scalp is hair?

    • Elasticity

    • Density

    • Texture

    • Porosity 

    Correct Answer
    A. Density
    Explanation
    Density is the correct answer because it refers to the number of individual hair strands present in a given area. In this case, the measurement is taken on 1 square inch of the hair scalp, indicating the concentration of hair strands within that specific area. Elasticity, texture, and porosity are not relevant to measuring the number of hair strands in a given area.

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  • 21. 

    The small, cone-shaped area at the base of the hair follicle that fits into the hair bulb is the?

    • Hair bulb

    • Dermal papilla

    • Sebaceous gland

    • Arrector pili

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

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  • 22. 

    Research had determined that dandruff is the result of a fungus called?

    • Malassezia

    • Whorl

    • Cyteine

    • Scutula

    Correct Answer
    A. Malassezia
    Explanation
    Research has shown that dandruff is caused by a fungus called Malassezia. This fungus is naturally present on the scalp and feeds on the oils produced by the hair follicles. When there is an overgrowth of Malassezia, it can lead to an inflammatory response in the scalp, causing itching and flaking of the skin, which is commonly known as dandruff.

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  • 23. 

    People with dry hair & scalp should?

    • Use product with a high alcohol content

    • Use product containing emollients

    • Shampoo frequently 

    • Use strong soaps

    Correct Answer
    A. Use product containing emollients
    Explanation
    People with dry hair and scalp should use products containing emollients. Emollients are substances that help to soften and moisturize the hair and scalp. They provide hydration and nourishment to the dry hair and scalp, helping to restore moisture and prevent further dryness. Using products with a high alcohol content or strong soaps can further strip the hair and scalp of moisture, exacerbating the dryness. Shampooing frequently can also lead to dryness as it can remove natural oils from the hair and scalp. Therefore, using products containing emollients is the best choice for individuals with dry hair and scalp.

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  • 24. 

    The final phase in the hair cycle, lasting until the fully grown hair is shed, is the _____ phase.

    • Anagen

    • Catagen

    • Telogen

    • Paragen

    Correct Answer
    A. Telogen
    Explanation
    The final phase in the hair cycle, lasting until the fully grown hair is shed, is called the telogen phase. During this phase, the hair follicle is at rest and the hair is no longer growing. Instead, it remains in the follicle until it is eventually shed and replaced by a new hair during the next anagen phase. The telogen phase typically lasts for a few months before the hair is shed naturally.

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  • 25. 

    Generally, only which type of hair contains a medulla?

    • Naturally blond hair

    • Thick, coarse hair

    • Naturally brown hair

    • Very fine hair

    Correct Answer
    A. Thick, coarse hair
    Explanation
    Thick, coarse hair contains a medulla because the medulla is a central core within the hair shaft that is composed of cells. This core is typically found in thicker and coarser hair types, providing structural support and adding to the overall strength of the hair strand. In contrast, fine hair usually lacks a medulla or has a very small and less prominent one. Naturally blond or brown hair does not determine the presence or absence of a medulla, as it is primarily dependent on the hair's thickness and coarseness.

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  • 26. 

    When a parasite called a mite burrows under the skin, the result is?

    • Dandruff

    • Scabies

    • Tinea

    • Head lice

    Correct Answer
    A. Scabies
    Explanation
    Scabies is caused by a parasite called a mite that burrows under the skin. This infestation results in intense itching and a rash, typically in areas such as the wrists, elbows, and genitals. Dandruff is a scalp condition characterized by flaking skin, not caused by mites burrowing under the skin. Tinea refers to a group of fungal infections that can affect the skin, hair, or nails. Head lice are parasitic insects that infest the scalp and hair, but they do not burrow under the skin like mites do.

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  • 27. 

    Hair that forms a circular growing pattern, as on the crown of the head, is called a?

    • Hair stream

    • Cowlick

    • Whorl

    • Part

    Correct Answer
    A. Whorl
    Explanation
    A whorl is a term used to describe hair that forms a circular growing pattern, typically found on the crown of the head. It is characterized by hair that grows in a circular or spiral direction, creating a distinct pattern. This term is commonly used in the field of hair analysis and can help identify individuals based on their unique hair patterns. A whorl is different from a cowlick, which refers to a tuft or section of hair that grows in a different direction from the rest of the hair.

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  • 28. 

    The portion of the hair that projects above the skin are the?

    • Hair bulb

    • Hair shaft

    • Hair follicle

    • Hair root

    Correct Answer
    A. Hair shaft
    Explanation
    The hair shaft refers to 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 composed of a protein called keratin, which gives hair its strength and elasticity. The hair shaft is responsible for protecting the hair follicle and providing insulation to the body.

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  • 29. 

    The thickened, club-shaped structure that forms the lower part of the hair root is the?

    • Hair bulb 

    • Cortex

    • Medulla

    • Hair follicle

    Correct Answer
    A. Hair bulb 
    Explanation
    The hair bulb is the thickened, club-shaped structure that forms the lower part of the hair root. It is located at the base of the hair follicle and contains the actively dividing cells that produce the hair shaft. The hair bulb also contains the papilla, which supplies nutrients to the growing hair. The cortex and medulla are layers within the hair shaft, while the hair follicle is the structure that surrounds and supports the hair.

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  • 30. 

    The two parts of a mature strand of human hair are?

    • Hair root & hair shaft

    • Hair root & hair cuticle

    • Hair follicle & hair shaft

    • Hair bulb & hair length 

    Correct Answer
    A. Hair root & hair shaft
    Explanation
    The two parts of a mature strand of human hair are the hair root and the hair shaft. The hair root is located below the surface of the skin and is responsible for anchoring the hair in the follicle. It also contains the hair bulb, which is the living part of the hair that produces new cells. The hair shaft, on the other hand, is the visible part of the hair that extends above the skin's surface. It is composed of dead cells that have been pushed up from the hair root.

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  • 31. 

    The medulla is composed of ________ cells

    • Elongated

    • Round

    • Scale-like

    • Pigmented

    Correct Answer
    A. Round
    Explanation
    The medulla is composed of round cells. This means that the cells in the medulla have a circular shape. The round shape of the cells in the medulla may have specific functions or characteristics that are important for its role in the body. However, without further context or information, it is difficult to provide a more detailed explanation.

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  • 32. 

    Polypeptide chains are cross-linked like the rungs on a ladder by ________ different types of side bonds?

    • Five

    • Six

    • Two

    • Three

    Correct Answer
    A. Three
    Explanation
    Polypeptide chains are cross-linked by three different types of side bonds. These bonds include disulfide bonds, hydrogen bonds, and hydrophobic interactions. Disulfide bonds form between two cysteine amino acids and contribute to the stability of the protein structure. Hydrogen bonds form between the amino and carboxyl groups of different amino acids, helping to maintain the secondary structure of the protein. Hydrophobic interactions occur between nonpolar amino acids, causing them to cluster together in the protein's interior. These three types of side bonds play a crucial role in determining the overall structure and function of the protein.

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  • 33. 

    Which types of side bond can be broken by water or heat?

    • Hydrogen bonds

    • Salt bonds

    • Disulfide bond

    • Cortex bond

    Correct Answer
    A. Hydrogen bonds
    Explanation
    Hydrogen bonds can be broken by water or heat. Hydrogen bonds are formed between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. These bonds are relatively weak and can be disrupted by the presence of water molecules or an increase in temperature. Water molecules can compete with the hydrogen bond, breaking it and forming new hydrogen bonds with the electronegative atom. Similarly, an increase in temperature can provide enough energy to overcome the attraction between the hydrogen and electronegative atom, resulting in the breaking of the hydrogen bond.

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  • 34. 

    An acute, localized bacterial infection of a hair follicle that produces constant pain, is called a boil or a?

    • Scutula

    • Pityriasis Steatoides

    • Carbuncle

    • Furuncle

    Correct Answer
    A. Furuncle
    Explanation
    A furuncle is an acute, localized bacterial infection of a hair follicle that causes constant pain. It is commonly known as a boil. This infection is typically caused by the bacteria Staphylococcus aureus. The infection starts as a small, red, tender bump and gradually develops into a larger, painful, pus-filled swelling. Treatment usually involves applying warm compresses to the affected area, keeping it clean, and in some cases, antibiotics may be prescribed.

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  • 35. 

    Alternating bands of grey & pigmented hair throughout the length of the hair strain is called?

    • Hypertrichosis

    • Pityriasis

    • Ringed hair

    • Scutula

    Correct Answer
    A. Ringed hair
    Explanation
    Ringed hair refers to the presence of alternating bands of grey and pigmented hair throughout the length of the hair strand. This condition is characterized by the appearance of rings or bands of different colors along the hair shaft. It is a cosmetic condition and does not cause any harm or medical complications.

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  • 36. 

    Amino acids are joined by __________ bonds.

    • Side

    • Amino

    • Compound

    • Peptide

    Correct Answer
    A. Peptide
    Explanation
    Amino acids are joined by peptide bonds. A peptide bond is a type of covalent bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid. This bond is formed through a dehydration reaction, where a water molecule is removed. Peptide bonds are responsible for linking amino acids together to form proteins.

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  • 37. 

    Salt bonds can be broken by _______ solutions.

    • Strong acidic

    • Strong alkaline

    • Both strong alkaline & strong acidic 

    • Neither strong alkaline nor strong acidic

    Correct Answer
    A. Both strong alkaline & strong acidic 
    Explanation
    Salt bonds can be broken by both strong alkaline and strong acidic solutions. Strong alkaline solutions have a high concentration of hydroxide ions (OH-) which can react with the salt bonds and break them. Similarly, strong acidic solutions have a high concentration of hydrogen ions (H+) which can also react with the salt bonds and break them. Therefore, both strong alkaline and strong acidic solutions have the ability to break salt bonds.

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  • 38. 

    The wave pattern of the hair to the ______ of the hair strand.

    • Shape

    • Weight

    • Color

    • Density

    Correct Answer
    A. Shape
    Explanation
    The wave pattern of the hair refers to the way the hair naturally curls or falls. This wave pattern is determined by the shape of the hair strand itself. The shape of the hair strand can vary from straight to wavy to curly, and this determines the overall wave pattern of the hair. Weight, color, and density do not directly affect the wave pattern of the hair.

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  • 39. 

    Disulfide bonds account for about ______ of the hair’s overall strength?

    • One-half

    • One-quarter

    • Three-quarters

    • One-third

    Correct Answer
    A. One-third
    Explanation
    Disulfide bonds contribute to approximately one-third of the hair's overall strength. These bonds are formed between sulfur atoms in the hair's protein structure, creating a strong and stable network. Without these bonds, the hair would be weaker and more prone to breakage.

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  • 40. 

    Trichorrhexis Nodosa is the technical term for?

    • Knotted hair

    • Gray hair

    • Split ends

    • Beaded hair

    Correct Answer
    A. Knotted hair
    Explanation
    Trichorrhexis Nodosa refers to a condition in which the hair shaft becomes weak and develops nodules or knots along its length. This causes the hair to break easily and appear knotted. Gray hair, split ends, and beaded hair are not specific terms used to describe this condition.

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  • 41. 

    The technical term for brittle hair is?

    • Hypertrichosis

    • Monilethrix

    • Fragilitas crinium

    • Trichoptilosis

    Correct Answer
    A. Fragilitas crinium
    Explanation
    Fragilitas crinium is the correct answer because it is the technical term used to describe brittle hair. Fragilitas crinium refers to a condition where the hair becomes weak, fragile, and prone to breakage. This condition can be caused by various factors such as excessive heat styling, chemical treatments, nutritional deficiencies, and certain medical conditions.

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  • 42. 

    The cortex of the hair has a fibrous protein core formed by _____ cells.

    • Elongated

    • Round

    • Transparent

    • Scale-like

    Correct Answer
    A. Elongated
    Explanation
    The correct answer is "Elongated" because the cortex of the hair is composed of elongated cells. These cells contain a fibrous protein core, which gives the hair its strength and structure. The elongated shape of these cells allows them to align parallel to the hair shaft, providing support and stability to the hair.

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  • 43. 

    Which layer of hair provides a barrier that protects the inner structure of hair?

    • Hair root

    • Hair cuticle

    • Medulla

    • Cortex

    Correct Answer
    A. Hair cuticle
    Explanation
    The hair cuticle is the correct answer because it is the outermost layer of the hair shaft and acts as a protective barrier for the inner structure of the hair. It consists of overlapping scales that help to prevent damage and dehydration of the hair by sealing the hair shaft. The cuticle also plays a role in determining the texture and appearance of the hair.

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  • 44. 

    Extremely curly hair does NOT typically?

    • Have a tendency to knot

    • Have low elasticity

    • Have a fairly regular & uniform diameter along a single strand 

    • Break easily 

    Correct Answer
    A. Have a fairly regular & uniform diameter along a single strand 
    Explanation
    Extremely curly hair does not typically have a fairly regular and uniform diameter along a single strand. Curly hair tends to have variations in diameter, resulting in a more irregular texture.

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  • 45. 

    Which layer of hair consists of transparent, scale-like cells?

    • Hair root

    • Medulla

    • Cortex

    • Hair cuticle

    Correct Answer
    A. Hair cuticle
    Explanation
    The hair cuticle is the outermost layer of the hair shaft. It consists of transparent, scale-like cells that overlap each other like shingles on a roof. These cells provide a protective barrier for the inner layers of the hair, and they also help to maintain the integrity and strength of the hair strand.

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  • 46. 

    A study suggest that bald men are perceived as?

    • Older

    • More personally likable

    • Overly assertive

    • More successful

    Correct Answer
    A. Older
    Explanation
    The study suggests that bald men are perceived as older. This could be due to the association of baldness with aging, as hair loss often occurs as men get older. Additionally, societal stereotypes and cultural norms may contribute to the perception that bald men are more mature or experienced. It is important to note that this perception may not be accurate or fair, as individual characteristics and qualities should not be solely determined by physical appearance.

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  • 47. 

    Which of the following statements is true?

    • Anyone of any race can have straight to extremely curly hair

    • Shaving hair on the head makes it grow back faster, darker & coarser

    • Scalp massage increase hair growth

    • Gray hair is coarser & more resistant than pigmented hair

    Correct Answer
    A. Anyone of any race can have straight to extremely curly hair
    Explanation
    The statement "Anyone of any race can have straight to extremely curly hair" is true because hair texture is determined by the shape of the hair follicle, which can vary among individuals regardless of their race. This means that people of any race can have straight, wavy, or curly hair, ranging from mild to extremely curly.

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  • 48. 

    The average hair density is about how many hairs per square inch?

    • 2,200

    • 500

    • 5,000

    • 1,200

    Correct Answer
    A. 2,200
    Explanation
    The average hair density refers to the number of hairs present in a given area, specifically per square inch. In this case, the correct answer is 2,200, which means that on average, there are approximately 2,200 hairs per square inch.

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  • 49. 

    The _________ is the tube-like depression in the skin or scalp that contains the hair root.

    • Hair bulb

    • Dermal papilla

    • Hair shaft 

    • Hair follicle 

    Correct Answer
    A. Hair follicle 
    Explanation
    The hair follicle is the tube-like depression in the skin or scalp that contains the hair root. It is responsible for producing and nourishing the hair. The hair bulb, dermal papilla, and hair shaft are all components of the hair follicle, but the hair follicle itself is the structure that surrounds and protects the hair root.

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  • Aug 20, 2020
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