What Do You Know About Trichology? Trivia Quiz

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  • 1/18 Questions

    The technical name for the study of hair is:

    • Trichology
    • Hairology
    • Biology
    • Cosmetology
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About This Quiz

Explore the fascinating world of hair with the 'What do you know about Trichology? Trivia Quiz'. This quiz assesses knowledge on hair structure, growth, and biological functions, providing insights into the specialized study of trichology. Ideal for learners interested in dermatology and human biology.

What Do You Know About Trichology? Trivia Quiz - Quiz

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  • 2. 

    Which of the following items is alive?

    • Hair fiber

    • Hair bulb

    • Hair strand

    • Keratin

    Correct Answer
    A. Hair bulb
    Explanation
    The hair bulb is alive because it is the part of the hair follicle that contains living cells responsible for hair growth. It is located at the base of the hair strand and is connected to the blood supply, allowing it to receive nutrients and oxygen necessary for hair growth. In contrast, the hair fiber, hair strand, and keratin are not alive. The hair fiber is the visible part of the hair that is made up of dead cells, while the hair strand is the entire hair shaft, including the hair bulb and fiber. Keratin is a protein that makes up the structure of the hair, but it is also not alive.

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  • 3. 

    Which item produces oil and sends it up through the hair follicles to the surface of the skin?

    • Papilla

    • Root sheath

    • Sebaceous gland

    • Arrector pili

    Correct Answer
    A. Sebaceous gland
    Explanation
    The sebaceous gland is responsible for producing oil, known as sebum, and sending it up through the hair follicles to the surface of the skin. Sebum helps to moisturize and protect the skin and hair. The other options, papilla, root sheath, and arrector pili, do not produce oil and are not involved in the process of sending oil to the surface of the skin.

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  • 4. 

    Which of these factors does NOT affect hair growth?

    • Frequent exercise

    • Disease

    • Lack of vitamins

    • Medication

    Correct Answer
    A. Frequent exercise
    Explanation
    Frequent exercise does not directly affect hair growth. Hair growth is primarily influenced by factors such as genetics, hormones, and overall health. While exercise promotes overall health, it does not specifically target or stimulate hair growth. Therefore, frequent exercise is not a factor that directly affects hair growth.

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  • 5. 

    The outer covering of the hair fiber is called the:

    • Sebum

    • Medulla

    • Cuticle

    • Cortex

    Correct Answer
    A. Cuticle
    Explanation
    The outer covering of the hair fiber is called the cuticle. The cuticle is a thin, transparent layer that protects the inner layers of the hair strand. It consists of overlapping scales that help to prevent damage and retain moisture in the hair. The cuticle also plays a role in the overall appearance and texture of the hair, as a smooth and intact cuticle gives the hair a shiny and healthy appearance.

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  • 6. 

    The root sheath of hair is typically oval or round in:

    • Tightly curled

    • Curly hair

    • Wavy or straight hair

    • Coarse hair

    Correct Answer
    A. Wavy or straight hair
    Explanation
    The root sheath of hair is typically oval or round in wavy or straight hair. This is because wavy or straight hair tends to grow out of the scalp in a more uniform and smooth manner, resulting in a rounded or oval-shaped root sheath. In contrast, tightly curled or curly hair has a more irregular growth pattern, causing the root sheath to be less uniform in shape. Similarly, coarse hair may have a thicker and more textured root sheath compared to wavy or straight hair.

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  • 7. 

    Which layer of hair may be absent in fine or very fine hair?

    • Cuticle

    • Outer

    • Medulla

    • Cortex

    Correct Answer
    A. Medulla
    Explanation
    Fine or very fine hair is characterized by having a small diameter. The medulla is the innermost layer of the hair shaft and is not always present in all hair types. It is more commonly found in thick or coarse hair. Therefore, it is possible for the medulla layer to be absent in fine or very fine hair.

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  • 8. 

    Which section of the hair structure is the area where mitosis takes place?

    • Germinal matrix

    • Root sheath

    • Hair follicle

    • Cuticle

    Correct Answer
    A. Germinal matrix
    Explanation
    The germinal matrix is the area of the hair structure where mitosis takes place. It is located at the base of the hair follicle and is responsible for the production of new hair cells. These new cells then migrate upwards, pushing older cells out of the follicle and forming the hair shaft. The germinal matrix is crucial for hair growth and regeneration.

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  • 9. 

    On the average, what stage of hair growth lasts from two to six years?

    • Resting

    • Anagen

    • Catagen

    • Telogen

    Correct Answer
    A. Anagen
    Explanation
    During the anagen stage of hair growth, the hair follicles are actively producing new hair cells. This stage can last from two to six years on average. It is the longest stage of the hair growth cycle and determines the length of the hair. During this stage, the hair grows continuously and is nourished by blood vessels in the scalp.

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  • 10. 

    The cluster of cells in the epidermis from which the hair follicle forms is called the:

    • Hair fiber

    • Hair strand

    • Primitive hair germ

    • Root sheath

    Correct Answer
    A. Primitive hair germ
    Explanation
    The correct answer is Primitive hair germ. The primitive hair germ is a cluster of cells in the epidermis that gives rise to the hair follicle. It is the initial stage of hair development and is responsible for the formation of the hair strand and root sheath. The hair fiber refers to the actual strand of hair, while the root sheath is the protective covering of the hair follicle.

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  • 11. 

    What layer of the hair fiber gives hair its pigment and elasticity?

    • Cuticle

    • Cortex

    • Medulla

    • Sebum

    Correct Answer
    A. Cortex
    Explanation
    The cortex is the layer of the hair fiber that gives hair its pigment and elasticity. It contains melanin, which determines the color of the hair, and it also provides strength and flexibility to the hair shaft. The cortex is responsible for the overall structure and integrity of the hair, making it an essential component for maintaining healthy and vibrant hair.

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  • 12. 

    Hair falls out during which stage of growth?

    • Active

    • Anagen

    • Catagen

    • Telogen

    Correct Answer
    A. Telogen
    Explanation
    During the telogen stage of hair growth, the hair follicle is in a resting phase. This is the final stage before the hair falls out and is replaced by a new hair. In this stage, the hair follicle is not actively producing new hair, and the old hair is in the process of shedding. This is a normal part of the hair growth cycle, and it is estimated that around 10-15% of hairs are in the telogen phase at any given time.

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  • 13. 

    What item needs nourishment to grow into a fully developed hair follicle?

    • Primitive hair germ

    • Cortex

    • Root sheath

    • Cuticle

    Correct Answer
    A. Primitive hair germ
    Explanation
    The primitive hair germ is the correct answer because it is the initial structure that forms during embryonic development and eventually develops into a fully developed hair follicle. It is responsible for the growth and development of the hair follicle, including the formation of the hair shaft, root sheath, and other components. Without proper nourishment, the primitive hair germ would not be able to grow and develop into a fully functional hair follicle.

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  • 14. 

    Which of the following functions is NOT one of the main purposes of hair?

    • Support

    • Adornment

    • Protection from cold

    • Protection from injury

    Correct Answer
    A. Support
    Explanation
    Hair does not provide support as one of its main purposes. Hair primarily serves as a form of adornment, protecting the body from the cold, and providing a layer of protection from injuries. However, it does not play a significant role in providing support to the body.

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  • 15. 

    The helix or coil shape of what part of the hair follicle gives hair the ability to stretch?

    • Medulla

    • Cortex

    • Cuticle

    • Root sheath

    Correct Answer
    A. Cortex
    Explanation
    The cortex is the part of the hair follicle that gives hair the ability to stretch. It is located between the medulla and the cuticle. The cortex is responsible for the strength and elasticity of the hair, allowing it to be stretched and manipulated without breaking. It is made up of keratin protein fibers that provide structural support to the hair shaft.

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  • 16. 

    Which of these factors does NOT influence the behavior of hair?

    • Heredity

    • Temperature outside

    • Environment

    • Products of appliances used

    Correct Answer
    A. Temperature outside
    Explanation
    The behavior of hair is influenced by heredity, environment, and products of appliances used. However, the temperature outside does not directly impact the behavior of hair. While extreme temperatures can affect the overall health and condition of the hair, it does not directly determine its behavior. Factors like humidity and moisture levels in the environment have a more significant impact on how hair behaves.

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  • 17. 

    How is the protein in the cuticle different than the protein in the cortex?

    • Harder

    • More elastic

    • Softer

    • More abundant

    Correct Answer
    A. Harder
    Explanation
    The protein in the cuticle is harder compared to the protein in the cortex. This means that the protein in the cuticle provides more strength and rigidity to the structure it is a part of. On the other hand, the protein in the cortex is likely to be more elastic, allowing for flexibility and resilience. Therefore, the difference lies in the physical properties of the proteins, with the cuticle protein being harder and the cortex protein being more elastic.

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  • 18. 

    What does sebum mix with to form the acid mantle?

    • Perspiration

    • Oil

    • Amino acid

    • Protein

    Correct Answer
    A. Perspiration
    Explanation
    Sebum, which is an oily substance produced by the sebaceous glands in the skin, mixes with perspiration to form the acid mantle. The acid mantle is a protective barrier on the surface of the skin that helps maintain its pH balance and protects it from harmful bacteria and environmental factors. Perspiration, also known as sweat, contains water and various minerals, and when mixed with sebum, it helps create this protective layer.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 27, 2011
    Quiz Created by
    Jasminyee
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