Propeties Of The Hair And Scalp

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| By Courtneya
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Courtneya
Community Contributor
Quizzes Created: 1 | Total Attempts: 94
Questions: 17 | Attempts: 94

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Propeties Of The Hair And Scalp - Quiz


Please fill in the blanks with the correct answers that best fit the statement.


Questions and Answers
  • 1. 

    Explain the difference between vellus and terminal hair:

    Correct Answer
    vellus is short,fine, and downy(forehead,eyelids,& bald scalp) terminal is long, soft(scalp, legs, arms)
    Explanation
    Vellus hair refers to short, fine, and downy hair that is commonly found on areas such as the forehead, eyelids, and bald scalp. Terminal hair, on the other hand, is longer and softer, typically found on the scalp, legs, and arms. The main difference lies in the texture and length of the hair.

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  • 2. 

    Explain what takes place in the innermost layer of the hair:

    Correct Answer
    nothing takes place in the medulla
    Explanation
    The medulla is the innermost layer of the hair shaft. It is composed of cells that are loosely packed and contain air spaces. Unlike the outer layers of the hair, the medulla does not play a significant role in the overall function or structure of the hair. It does not contribute to the strength or elasticity of the hair, nor does it participate in any metabolic or growth processes. Therefore, nothing important or significant takes place in the medulla of the hair.

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  • 3. 

    If my sister was born a natural red head, her hair color would be derived from which melanin?

    Correct Answer
    pheomelanin
    Explanation
    If someone is born a natural red head, their hair color would be derived from pheomelanin. Pheomelanin is a type of melanin that is responsible for producing red and yellow pigments in the hair, skin, and eyes. It is produced in higher amounts in individuals with red hair, resulting in their distinct hair color.

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  • 4. 

    The 5 elements of hair is:   

    Correct Answer
    carbon(51%), oxygen(21%), hydrogen(6%), Nitrogen(17%), Sulfur(5%)
    Explanation
    This answer provides the correct percentages of the five elements that make up hair: carbon (51%), oxygen (21%), hydrogen (6%), nitrogen (17%), and sulfur (5%). These elements are essential components of the proteins and amino acids found in hair, which contribute to its structure and strength.

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  • 5. 

    Explain the difference between the 3 side bonds:

    Correct Answer
    hydrogen(broken by water & heat), salt(broken by changes in pH), disulfide(broken by chemical services)
    Explanation
    The three side bonds mentioned in the question are hydrogen, salt, and disulfide bonds. Hydrogen bonds are broken by water and heat, while salt bonds are broken by changes in pH. On the other hand, disulfide bonds are broken by chemical services. These three types of bonds have different properties and are affected by different factors, leading to their distinct ways of being broken.

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  • 6. 

    What is the pH of hair and skin?

    Correct Answer
    4.5-5.0
    Explanation
    The pH of hair and skin is typically around 4.5-5.0. This slightly acidic pH helps to maintain the health and integrity of the hair and skin. It allows for the natural balance of oils and moisture, helps to protect against bacteria and other harmful microorganisms, and keeps the hair and skin hydrated. The acidic pH also helps to keep the hair cuticle closed, resulting in smoother and shinier hair.

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  • 7. 

    Coarse hair usually has what level of porosity?

    Correct Answer
    low porosity
    Explanation
    Coarse hair usually has low porosity. This means that the hair shaft has a tightly bound cuticle layer, making it difficult for moisture to penetrate the hair. As a result, coarse hair tends to be resistant to chemical treatments and can take longer to dry. The tightly bound cuticles also make it harder for oils and moisture to escape from the hair, leading to a build-up of product and making the hair prone to feeling dry and brittle.

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  • 8. 

    The number of individual hairs per square inch is defined as: 

    • A.

      Texure

    • B.

      Elasticity

    • C.

      Density

    • D.

      Porosity

    Correct Answer
    C. Density
    Explanation
    Density is the correct answer because it refers to the number of individual hairs per square inch. It measures how closely packed the hairs are in a given area, indicating the thickness or thinness of the hair. Texture refers to the feel or appearance of the hair, elasticity refers to the hair's ability to stretch and return to its original shape, and porosity refers to the hair's ability to absorb and retain moisture. None of these options directly address the number of hairs per square inch.

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  • 9. 

    ________________ refers to the color created by nature:

    • A.

      Hair color

    • B.

      Eumelanin

    • C.

      Haircolor

    • D.

      Pheomelanin

    Correct Answer
    A. Hair color
    Explanation
    Hair color refers to the color created by nature. This is the overall color of an individual's hair, which can vary widely from person to person. It is determined by the presence and concentration of two pigments, eumelanin and pheomelanin, which are responsible for producing different shades of hair color. The combination and amount of these pigments in the hair follicles determine the specific hair color that an individual has.

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  • 10. 

    Hydrogen bonds can be broken:

    • A.

      Once

    • B.

      Three times

    • C.

      Twice

    • D.

      Over and over

    Correct Answer
    D. Over and over
    Explanation
    Hydrogen bonds can be broken over and over. This is because hydrogen bonds are weak intermolecular forces that occur between a hydrogen atom bonded to an electronegative atom (such as oxygen or nitrogen) and another electronegative atom. These bonds can be easily broken and reformed, allowing for dynamic interactions between molecules. Therefore, hydrogen bonds can repeatedly break and form, making the answer "over and over" correct.

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  • 11. 

    Three roller bases are:

    • A.

      Base, stem, curl

    • B.

      On, off, half

    • C.

      On, off, side

    • D.

      Rod, shell, base

    Correct Answer
    B. On, off, half
    Explanation
    The correct answer is "on, off, half". This answer is likely correct because it follows a pattern of describing different states or positions of something. The words "on" and "off" typically indicate whether something is activated or deactivated, while the word "half" suggests a partial or intermediate state. Therefore, it is reasonable to assume that these terms could be used to describe different positions or states of the roller bases.

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  • 12. 

    _____________ is a tuft of hair thst stands straight up is:

    • A.

      Stream

    • B.

      Whorl

    • C.

      Vellus

    • D.

      Cowlick

    Correct Answer
    D. Cowlick
    Explanation
    A cowlick is a tuft of hair that stands straight up, typically found on the crown of the head. This occurs when the hair grows in a different direction or has a natural spiral pattern, causing it to stand upright instead of lying flat. Cowlicks can be difficult to style and often require extra effort to tame or blend in with the rest of the hair.

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  • 13. 

    Explain how to achieve full body wet-set:

  • 14. 

    Give an example of porosity:

  • 15. 

    Explain what's seen in this photo:

    Correct Answer
    alopecia areata
    Explanation
    The photo shows alopecia areata, a condition characterized by sudden hair loss that occurs in patches. It is an autoimmune disease where the immune system mistakenly attacks the hair follicles, resulting in hair loss. In the photo, we can see areas of hair loss on the scalp, which is a characteristic feature of alopecia areata. This condition can affect both men and women of any age and can vary in severity from person to person.

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  • 16. 

    Explain what's seen inthis photo:

    Correct Answer
    tinea capitis
  • 17. 

    Explain what's seen in this photo:

    Correct Answer
    head lice
    Explanation
    The photo shows head lice, which are small parasitic insects that infest the hair and scalp of humans. They are typically grayish-white or brown in color and can be seen crawling or clinging to the hair strands. Head lice feed on blood from the scalp and can cause itching and discomfort. Infestations are common in children and can spread easily through close contact or sharing personal items such as combs or hats. Treatment usually involves the use of medicated shampoos or lotions specifically designed to kill lice and their eggs.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 31, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 02, 2008
    Quiz Created by
    Courtneya
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