Cosmetology Quiz: Chemical Texture Services!

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Cosmetology Quiz: Chemical Texture Services! - Quiz

If you are a cosmetology student you know that different products have different chemical compositions and textures. Did you understand the topic of chemical texture from Milady's Standard Cosmetology Book? Test how much you recall by taking up the test below as you get to understand more on the book. All the best and share the quiz with your classmates.


Questions and Answers
  • 1. 

    Hair services that cause a chemical change that permanently alters the natural wave pattern of the hair are called:

    • A.

      Thermal waving

    • B.

      Chemical texture services

    • C.

      Wet setting

    • D.

      Haircoloring services

    Correct Answer
    B. Chemical texture services
    Explanation
    Chemical texture services refer to hair services that involve the use of chemicals to permanently alter the natural wave pattern of the hair. This can include procedures such as relaxing, perming, or straightening the hair using chemical treatments. Thermal waving, wet setting, and hair coloring services do not involve permanent alteration of the hair's wave pattern, making chemical texture services the correct answer.

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  • 2. 

    A strong, compact cuticle makes for:

    • A.

      Damaged hair

    • B.

      Easily permed hair

    • C.

      Resistant hair

    • D.

      Porous hair

    Correct Answer
    C. Resistant hair
    Explanation
    A strong, compact cuticle refers to the outermost layer of the hair shaft being healthy and intact. This means that the hair is less prone to damage from external factors such as heat, chemicals, or environmental stressors. It also implies that the hair is less likely to absorb moisture or lose moisture, making it resistant to becoming dry or frizzy. Therefore, a strong, compact cuticle contributes to having resistant hair.

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  • 3. 

    Porous, damaged, or chemically treated hair requires a perm solution that is:

    • A.

      High ph

    • B.

      More alkaline

    • C.

      Stronger

    • D.

      Less alkaline

    Correct Answer
    D. Less alkaline
    Explanation
    Porous, damaged, or chemically treated hair is already in a weakened state and using a high pH or more alkaline perm solution can further damage the hair. Therefore, a perm solution that is less alkaline is recommended for such hair types. This solution will be milder and gentler on the hair, minimizing the risk of further damage.

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  • 4. 

    Changing the natural wave pattern of the hair is made possible by breaking of the:

    • A.

      Side bonds

    • B.

      Peptide bonds

    • C.

      End bonds

    • D.

      Polypeptide chanines

    Correct Answer
    A. Side bonds
    Explanation
    The natural wave pattern of the hair is determined by the side bonds in the hair structure. By breaking these side bonds, it is possible to change the natural wave pattern of the hair. Peptide bonds are responsible for the formation of protein structures, not the wave pattern of the hair. End bonds and polypeptide chains are not relevant to the wave pattern of the hair.

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  • 5. 

    Of the three types of side bonds, disulfide bonds are the:

    • A.

      Most easily broken

    • B.

      Strongest

    • C.

      Weakest

    • D.

      Most numerous

    Correct Answer
    B. Strongest
    Explanation
    Disulfide bonds are the strongest type of side bonds. These bonds are formed when two cysteine amino acids come together and form a covalent bond between their sulfur atoms. Disulfide bonds are very stable and require a significant amount of energy to break. They play a crucial role in maintaining the structure and stability of proteins, such as in the formation of the tertiary structure. Therefore, among the three types of side bonds, disulfide bonds are the strongest.

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  • 6. 

    Salt bonds are easily broken by:

    • A.

      Water

    • B.

      Blow-dryers

    • C.

      Changes in pH

    • D.

      High humidity

    Correct Answer
    C. Changes in pH
    Explanation
    Salt bonds are formed between positively and negatively charged ions in a molecule. These bonds are relatively weak and can be easily broken when the pH of the environment changes. When the pH changes, the concentration of hydrogen ions in the solution alters, which affects the charge distribution in the molecule and weakens the salt bonds. This makes changes in pH the most likely factor to break salt bonds.

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  • 7. 

    An example of a physical change is a:

    • A.

      Chemical relaxing

    • B.

      Soft curl permanent

    • C.

      Permanent wave

    • D.

      Wet set

    Correct Answer
    D. Wet set
    Explanation
    A wet set is an example of a physical change because it involves temporarily altering the shape or texture of the hair using water and styling products, but does not involve any chemical reactions or permanent changes to the hair structure.

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  • 8. 

    Hydrogen bonds are very weak, but they account for about ___ of the hair's total strength.

    • A.

      1/2

    • B.

      1/3

    • C.

      1/4

    • D.

      1/6

    Correct Answer
    B. 1/3
    Explanation
    Hydrogen bonds, although individually weak, play a significant role in the overall strength of hair. These bonds form between the hydrogen atoms of one hair strand and the oxygen or nitrogen atoms of another strand. Due to the large number of hydrogen bonds present in hair, they collectively contribute to approximately one-third of its total strength. Therefore, the correct answer is 1/3.

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  • 9. 

    By making a point of keeping accurate, up-to-date client records, you will:

    • A.

      Take longer to perfom a service

    • B.

      Annoy the client

    • C.

      Improve your technical skills

    • D.

      Repeat past mistakes

    Correct Answer
    C. Improve your technical skills
    Explanation
    Keeping accurate, up-to-date client records allows you to have a comprehensive understanding of each client's needs, preferences, and history. This enables you to provide more personalized and effective services, enhancing your technical skills. By having access to accurate information, you can identify patterns, track progress, and make informed decisions, ultimately improving your ability to meet client expectations and deliver high-quality services.

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  • 10. 

    The most important factors to consider in hair analysis for chemical texture services are texture, density, porosity, elasticity, and:

    • A.

      Length

    • B.

      Hairline

    • C.

      Color

    • D.

      Growth direction

    Correct Answer
    D. Growth direction
    Explanation
    In hair analysis for chemical texture services, growth direction is an important factor to consider. This is because the direction in which hair grows can affect the outcome of the chemical treatment. The growth direction can determine how the chemicals will interact with the hair, and it can also impact the overall look and style of the hair after the treatment. Therefore, understanding the growth direction is crucial in order to achieve the desired results in chemical texture services.

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  • 11. 

    Hair texture is described with the terms:

    • A.

      Porous and resistant

    • B.

      Coarse, medium, and fine

    • C.

      Straight, wavy, curly, coiled

    • D.

      High and low

    Correct Answer
    B. Coarse, medium, and fine
    Explanation
    The correct answer is "coarse, medium, and fine". Hair texture can be described using these terms because they refer to the thickness or diameter of individual hair strands. Coarse hair is thick and has a larger diameter, while fine hair is thin and has a smaller diameter. Medium hair falls in between these two categories. This classification helps in understanding the overall appearance and behavior of different hair types.

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  • 12. 

    When treated with chemical texture services, coarse hair is usually:

    • A.

      Easier to process

    • B.

      More susceptible to damage

    • C.

      Harder to penetrate

    • D.

      More fragile

    Correct Answer
    C. Harder to penetrate
    Explanation
    Coarse hair is typically harder to penetrate when treated with chemical texture services. This is because coarse hair has a thicker and more tightly packed cuticle layer, making it more resistant to chemical penetration. As a result, it may require more time and effort to achieve the desired results when treating coarse hair with chemical services.

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  • 13. 

    The hair texture that is the most fragile and easiest to process with permanent waving solution is:

    • A.

      Fine hair

    • B.

      Porous hair

    • C.

      Medium hair

    • D.

      Coarse hair

    Correct Answer
    A. Fine hair
    Explanation
    Fine hair is the most fragile and easiest to process with permanent waving solution because it has a smaller diameter and is more delicate compared to other hair textures. The smaller diameter makes it more susceptible to damage from chemical treatments, such as permanent waving. Additionally, fine hair has a lower density, which allows the waving solution to penetrate and process more quickly. This makes it easier to achieve the desired wave or curl pattern in fine hair compared to other hair textures.

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  • 14. 

    The single most important factor in determining the ability of hair to hold a curl it its:

    • A.

      Density

    • B.

      Elasticity

    • C.

      Porosity

    • D.

      Texture

    Correct Answer
    B. Elasticity
    Explanation
    Elasticity is the ability of hair to stretch and return to its original shape without breaking. It is the most important factor in determining the ability of hair to hold a curl because hair that is more elastic will be able to stretch and conform to the shape of the curling iron or other styling tool, and then bounce back into a curled shape. Hair that lacks elasticity may not be able to hold a curl as well because it may not be able to stretch and conform to the shape of the curling iron, resulting in a looser or less defined curl.

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  • 15. 

    Wet hair with normal elasticity can stretch up to __ percent of its original length and then return to that length without breaking.

    • A.

      50

    • B.

      80

    • C.

      25

    • D.

      70

    Correct Answer
    A. 50
    Explanation
    Wet hair with normal elasticity can stretch up to 50 percent of its original length and then return to that length without breaking. This means that when wet, the hair can be stretched to half of its original length and still retain its elasticity, allowing it to bounce back to its original length without any damage or breakage.

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  • 16. 

    The first part of any perm, wrapping the hair on perm rods, causes a/an:

    • A.

      Disulfide bond change

    • B.

      Chemical change

    • C.

      End bond change

    • D.

      Physical change

    Correct Answer
    D. Physical change
    Explanation
    The first part of a perm, which involves wrapping the hair on perm rods, causes a physical change. This is because the hair is being manipulated and reshaped into a new form, but there is no alteration to the chemical composition of the hair or its bonds. The physical change is temporary and can be reversed by washing or applying heat to the hair.

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  • 17. 

    The second part of any perm, the application of waving solution and neutralizer, causes a:

    • A.

      Physical change

    • B.

      Chemical change

    • C.

      Hydrogen bond change

    • D.

      Peptide bond change

    Correct Answer
    B. Chemical change
    Explanation
    The second part of any perm involves the application of waving solution and neutralizer. These chemicals work together to break and reform the disulfide bonds in the hair, which results in a permanent change in the hair's structure. This process is a chemical change because it involves the breaking and forming of new chemical bonds.

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  • 18. 

    The major difference between a wet set and a perm is the:

    • A.

      Size of the wrapping tools

    • B.

      Type of end bonds broken

    • C.

      Type of wrapping tools

    • D.

      Type of side bonds broken

    Correct Answer
    D. Type of side bonds broken
    Explanation
    A wet set and a perm both involve curling the hair, but the major difference lies in the type of bonds broken. In a wet set, the curls are achieved by breaking the hydrogen bonds in the hair, which can be easily reformed when wet. On the other hand, a perm breaks the stronger disulfide bonds in the hair, which permanently alters the hair's structure and allows it to hold the curl even when dry. Therefore, the correct answer is "type of side bonds broken."

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  • 19. 

    The size of the perm tool determines the:

    • A.

      Base control

    • B.

      Placement of the curl

    • C.

      Size of the curl

    • D.

      Base direction

    Correct Answer
    C. Size of the curl
    Explanation
    The size of the perm tool determines the size of the curl. The larger the perm tool, the larger the resulting curl will be. Conversely, a smaller perm tool will create smaller curls. The size of the perm tool does not affect the base control, placement of the curl, or base direction.

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  • 20. 

    Wrapping the hair on small tools increases the:

    • A.

      Tension

    • B.

      Curl size

    • C.

      Side bonds broken

    • D.

      Hydrogen bonds broken

    Correct Answer
    A. Tension
    Explanation
    When hair is wrapped on small tools, it increases the tension on the hair strands. This tension causes the hair to stretch and conform to the shape of the tool, resulting in a larger curl size. Therefore, the correct answer is tension.

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  • 21. 

    For perm wrapping, the hair is divided into panels, then into:

    • A.

      Partings

    • B.

      Base controls

    • C.

      Subpanels

    • D.

      Base sections

    Correct Answer
    D. Base sections
    Explanation
    Perm wrapping involves dividing the hair into panels, which are then further divided into base sections. Base sections are the subsections of each panel where the hair is wrapped around the perm rod. This allows for even distribution of the perm solution and creates consistent curls or waves throughout the hair.

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  • 22. 

    The position of the tool in relation to its base section is called the:

    • A.

      Base control

    • B.

      Base direction

    • C.

      Tool angle

    • D.

      Wrapping technique

    Correct Answer
    A. Base control
    Explanation
    The position of the tool in relation to its base section is referred to as base control. This term is commonly used in various industries, such as manufacturing and construction, where tools are manipulated and controlled in relation to a fixed base. Base control involves ensuring that the tool is properly positioned and oriented with respect to the base section, allowing for accurate and efficient use. It is an essential aspect of tool operation and plays a crucial role in achieving desired outcomes.

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  • 23. 

    Base control is determined by the angle:

    • A.

      In which the hair is combed

    • B.

      Of the hair to the length of the tool

    • C.

      At which the tool is positioned on the head

    • D.

      At which the hair is wrapped

    Correct Answer
    D. At which the hair is wrapped
    Explanation
    The correct answer is "at which the hair is wrapped." Base control refers to the position at which the hair is wrapped around a tool, such as a curling iron or roller. This determines the amount of lift or volume that will be achieved in the hairstyle. The angle at which the hair is combed, the length of the tool, and the position of the tool on the head are not directly related to base control.

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  • 24. 

    The hair is wrapped at an angle 45 degrees beyond perpendicular to its base section in:

    • A.

      Half-off-base placement

    • B.

      On-base placement

    • C.

      Cross-base placement

    • D.

      Off-base placement

    Correct Answer
    B. On-base placement
    Explanation
    In on-base placement, the hair is wrapped at a 45-degree angle beyond perpendicular to its base section. This means that the hair is wrapped slightly beyond the vertical position, creating more lift and volume at the base. On-base placement is commonly used for creating maximum volume and support in hairstyles.

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  • 25. 

    In off-base placement, the hair is wrapped __ to its base section.

    • A.

      45 degrees above perpendicular

    • B.

      Parallel

    • C.

      45 degrees below perpendicular

    • D.

      Perpendicular (90 degrees)

    Correct Answer
    C. 45 degrees below perpendicular
    Explanation
    In off-base placement, the hair is wrapped 45 degrees below perpendicular to its base section. This means that the hair is wrapped at an angle that is below the 90-degree angle formed by the base section. This technique is commonly used in hair styling to create volume and movement in the hair. By wrapping the hair at a downward angle, it allows the hair to fall in a natural and flowing manner.

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  • 26. 

    Because it places additional stress and tension on the hair, caution should be used with:

    • A.

      Off-base placement

    • B.

      Croquignole wrapping

    • C.

      Spiral wrapping

    • D.

      On-base placement

    Correct Answer
    D. On-base placement
    Explanation
    On-base placement should be used with caution because it places additional stress and tension on the hair. This technique involves wrapping the hair around the base, which can create more tension and strain on the hair follicles. This can lead to breakage or damage to the hair. Therefore, it is important to be cautious when using on-base placement to avoid causing harm to the hair.

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  • 27. 

    Of the various base controls, the least amount of volume is created by using:

    • A.

      Off-base placement

    • B.

      On-base placement

    • C.

      Croquignole placement

    • D.

      Half-off-base placement

    Correct Answer
    A. Off-base placement
    Explanation
    Off-base placement creates the least amount of volume among the various base controls. This technique involves wrapping the hair around the base of the tool, away from the scalp. Since the hair is not wrapped tightly against the scalp, it does not create as much lift or volume as the other placement options. On-base placement, croquignole placement, and half-off-base placement all involve wrapping the hair closer to the scalp, which creates more volume.

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  • 28. 

    The angle at which the perm tool is positioned on the head is referred to as the:

    • A.

      Base section

    • B.

      Base control

    • C.

      Wrapping technique

    • D.

      Base direction

    Correct Answer
    D. Base direction
    Explanation
    The angle at which the perm tool is positioned on the head is referred to as the base direction. This term is used in the context of perming hair, where the base direction determines the direction in which the hair will be wrapped around the perm rod. It is an important factor in achieving the desired curl pattern and overall result of the perm.

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  • 29. 

    The wrapping technique in which the hair is wrapped from the ends to the scalp in overlapping layers is called:

    • A.

      Basic wrapping

    • B.

      Croquignole wrapping

    • C.

      Spiral wrapping

    • D.

      Circular wrapping

    Correct Answer
    B. Croquignole wrapping
    Explanation
    Croquignole wrapping is the wrapping technique in which the hair is wrapped from the ends to the scalp in overlapping layers. This technique creates a tighter curl and is commonly used for creating spiral curls or waves. Basic wrapping involves wrapping the hair in a single layer from the ends to the scalp, while spiral wrapping involves wrapping the hair in a spiral pattern from the ends to the scalp. Circular wrapping refers to wrapping the hair in a circular pattern around the head.

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  • 30. 

    In the spiral perm wrapping technique, the hair is wrapped:

    • A.

      In overlapping layers

    • B.

      At a perpendicular angle

    • C.

      At an angle other than perpendicular

    • D.

      From ends to scalp only

    Correct Answer
    C. At an angle other than perpendicular
    Explanation
    In the spiral perm wrapping technique, the hair is wrapped at an angle other than perpendicular. This means that the hair is not wrapped straight up and down, but rather at a diagonal or slanted angle. Wrapping the hair at an angle other than perpendicular helps to create spiral-shaped curls or waves in the hair. This technique allows for more natural-looking and voluminous results compared to wrapping the hair straight up and down.

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  • 31. 

    Rods with a smaller circumference in the center than at the ends are called:

    • A.

      Convex rods

    • B.

      Tapered rods

    • C.

      Straight rods

    • D.

      Concave rods

    Correct Answer
    D. Concave rods
    Explanation
    Rods with a smaller circumference in the center than at the ends are called concave rods. This is because the term "concave" refers to a surface or shape that curves inward or has a hollowed-out appearance. In the case of these rods, the center is narrower or hollowed out compared to the ends, creating a concave shape.

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  • 32. 

    Rods with the same circumference along their entire length or curling area are called:

    • A.

      Straight rods

    • B.

      Tapered rods

    • C.

      Convex rods

    • D.

      Concave rods

    Correct Answer
    A. Straight rods
    Explanation
    Rods with the same circumference along their entire length or curling area are called straight rods. This means that the rods have a consistent thickness or width from end to end, without any tapering or curvature. They are completely straight and do not have any convex or concave shape.

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  • 33. 

    The distinguishing feature of soft bender rods is that they can be:

    • A.

      Used with a croguignole wrap

    • B.

      Fastened to form a circle

    • C.

      Bent into many shapes

    • D.

      Used with a spiral wrap

    Correct Answer
    C. Bent into many shapes
    Explanation
    Soft bender rods are unique because they have the ability to be bent into various shapes. Unlike other types of rods, they offer flexibility and can be molded according to the desired hairstyle. This feature allows for versatile styling options, making them suitable for creating different types of curls and waves. Whether it's a loose wave, tight spiral, or any other shape, soft bender rods can be easily manipulated to achieve the desired look.

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  • 34. 

    Circle tools or loop rods are ideal for:

    • A.

      Wrapping small sections

    • B.

      Croquignole wrapping short hair

    • C.

      Wraping very short hair

    • D.

      Spiral wrapping very long hair

    Correct Answer
    D. Spiral wrapping very long hair
    Explanation
    Circle tools or loop rods are ideal for spiral wrapping very long hair. This is because spiral wrapping involves creating a spiral shape with the hair, and circle tools or loop rods are specifically designed to help achieve this shape. They provide a larger surface area for the hair to wrap around, making it easier to create defined and uniform spirals in long hair. Additionally, the size and shape of circle tools or loop rods are not suitable for wrapping small sections or croquignole wrapping short hair, as these techniques require smaller tools for better control and precision.

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  • 35. 

    End wraps are absorbent papers used when winding hair on perm tools to:

    • A.

      Control the hair ends

    • B.

      Absorb moisture

    • C.

      Control elasticity

    • D.

      Maintain moisture

    Correct Answer
    A. Control the hair ends
    Explanation
    End wraps are absorbent papers used when winding hair on perm tools to control the hair ends. By wrapping the hair ends with these papers, they provide a barrier between the hair and the perm tool, preventing any loose ends from unraveling during the perming process. This helps in achieving a more uniform and controlled curl or wave pattern.

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  • 36. 

    When you place one end paper over the top of the hair strand as you wrap it around the perm tool, it is called a:

    • A.

      Double flat wrap

    • B.

      Single flat wrap

    • C.

      One-way wrap

    • D.

      Bookend wrap

    Correct Answer
    B. Single flat wrap
    Explanation
    A single flat wrap is when one end paper is placed over the top of the hair strand as it is wrapped around the perm tool. This technique helps to create a smooth and even curl pattern.

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  • 37. 

    When you fold one end paper in half over the hair ends like an envelope, it is called a:

    • A.

      Bookend wrap

    • B.

      Double end paper wrap

    • C.

      Single end paper wrap

    • D.

      Half wrap

    Correct Answer
    A. Bookend wrap
    Explanation
    A bookend wrap is a technique used in hair styling where one end paper is folded in half over the hair ends, resembling the way an envelope is folded. This technique helps to secure the hair ends and create a neat and polished look. It is called a bookend wrap because the folded end paper resembles the shape of a bookend, which is used to support and hold books upright on a shelf.

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  • 38. 

    The end paper technique that provides the most control over the hair ends and keeps them evenly distributed is the:

    • A.

      Bookend wrap

    • B.

      Single flat wrap

    • C.

      Single end paper wrap

    • D.

      Double flat wrap

    Correct Answer
    D. Double flat wrap
    Explanation
    The double flat wrap technique provides the most control over the hair ends and keeps them evenly distributed. This technique involves folding the end paper in half and placing it flat against the hair ends, then folding another end paper in half and placing it flat on top of the first end paper. This double layer of end paper helps to secure the hair ends in place and prevent them from sticking out or becoming unevenly distributed during the wrapping process.

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  • 39. 

    Permanent waving solution breakes the disulfide bonds in the cortex through a chemical reaction called:

    • A.

      Subtraction

    • B.

      Hydrogenation

    • C.

      Reduction

    • D.

      Oxidation

    Correct Answer
    C. Reduction
    Explanation
    Permanent waving solution breaks the disulfide bonds in the cortex through a chemical reaction called reduction. Reduction involves the addition of electrons or hydrogen to a molecule, which in this case helps to break the disulfide bonds. This chemical reaction allows the hair to be reshaped and set into a new curl pattern.

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  • 40. 

    In permanent waving solutions, thiol compounds act as:

    • A.

      Reducing agents

    • B.

      Oxidizing agents

    • C.

      Neutralizing agents

    • D.

      Alkalizing agents

    Correct Answer
    A. Reducing agents
    Explanation
    Thiol compounds act as reducing agents in permanent waving solutions. Reducing agents are substances that donate electrons and cause the reduction of another substance. In the context of permanent waving solutions, thiol compounds help to break the disulfide bonds in the hair, allowing it to be reshaped. By donating electrons, thiol compounds reduce the disulfide bonds, making the hair more flexible and able to take on a new shape. This process is crucial in achieving a permanent wave in hair styling.

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  • 41. 

    Ammonium thioglycolate is produced by adding _________ to thioglycolic acid.

    • A.

      Alchol

    • B.

      Neutralizer

    • C.

      Hydrogen peroxide

    • D.

      Ammonia

    Correct Answer
    D. Ammonia
    Explanation
    Ammonium thioglycolate is produced by adding ammonia to thioglycolic acid. Ammonia reacts with thioglycolic acid to form ammonium thioglycolate.

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  • 42. 

    Alkaline waves are also called:

    • A.

      Acid-balanced waves

    • B.

      Low-pH waves

    • C.

      Cold waves

    • D.

      Ammonia-free waves

    Correct Answer
    C. Cold waves
    Explanation
    Alkaline waves, also known as cold waves, are a type of permanent wave solution used in hair styling. They are called cold waves because they do not require heat to set the hair, unlike other types of permanent waves. Instead, alkaline waves use a chemical process to break and reform the disulfide bonds in the hair, resulting in a new curl pattern. This term is commonly used in the hairdressing industry to differentiate alkaline waves from other types of permanent waves that may use different pH levels or ingredients.

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  • 43. 

    Most true acid waves:

    • A.

      Have a ph between 3 and 5

    • B.

      Process quickly

    • C.

      Produce a very firm curl

    • D.

      Require heat to speed processing

    Correct Answer
    D. Require heat to speed processing
    Explanation
    True acid waves require heat to speed up the processing. Acid waves are a type of permanent wave solution used in hair styling. The heat helps to activate the chemical reaction in the solution, allowing it to penetrate the hair shaft and create a long-lasting curl. Without heat, the processing time would be much longer and the desired curl may not be achieved. Therefore, heat is necessary to speed up the processing and ensure the desired result.

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  • 44. 

    Most of the acid waves in today's salons have a ph between:

    • A.

      6.5 to 7.0

    • B.

      7.8 to 8.2

    • C.

      7.0 to 9.6

    • D.

      4.5 to 7.5

    Correct Answer
    B. 7.8 to 8.2
    Explanation
    Acid waves are used in salons for perming or curling the hair. These waves contain chemicals that break and reform the disulfide bonds in the hair, allowing it to take on a new shape. The pH level of the acid wave solution is important because it determines how effectively the chemicals can penetrate the hair shaft. A pH level between 7.8 to 8.2 is considered ideal for acid waves as it ensures optimal penetration and results in a long-lasting and defined curl.

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  • 45. 

    Permanent waves that require heat from an outside source, usually a hair dryer, are called:

    • A.

      Acid-balanced

    • B.

      Alkaline

    • C.

      Endothermic

    • D.

      Exothermic

    Correct Answer
    C. Endothermic
    Explanation
    Permanent waves that require heat from an outside source, usually a hair dryer, are called endothermic. Endothermic waves are a type of permanent wave that require the application of heat to activate the waving lotion or solution. The heat helps to open up the hair cuticle, allowing the waving solution to penetrate and reshape the hair. This type of permanent wave is typically used for clients with resistant or coarse hair, as the heat helps to break down the protein structure of the hair, allowing for a more effective and longer-lasting curl.

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  • 46. 

    One benefit of ammonia-free waves is that they:

    • A.

      Are good for very resistant hair

    • B.

      Have no unpleasant ammonia oder

    • C.

      Are less alkaline than ammonia solutions

    • D.

      Are less damaging than ammonia solution

    Correct Answer
    B. Have no unpleasant ammonia oder
    Explanation
    Ammonia-free waves have no unpleasant ammonia odor because they do not contain ammonia as a key ingredient. Ammonia is commonly used in hair products to help open the hair cuticle and allow for better penetration of color or perm solutions. However, ammonia can have a strong and unpleasant smell. By eliminating ammonia from the formula, ammonia-free waves provide a more pleasant experience for the user, as there is no offensive odor during the application process.

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  • 47. 

    In permanent waving, most of the processing takes place as soon as the solution penetrates the hair, within the first:

    • A.

      5 to 10 minutes

    • B.

      3 to 5 minutes

    • C.

      15 to 30 minutes

    • D.

      10 to 15 minutes

    Correct Answer
    A. 5 to 10 minutes
    Explanation
    In permanent waving, the processing time refers to the amount of time it takes for the solution to effectively change the structure of the hair. The correct answer, 5 to 10 minutes, suggests that the majority of this process occurs within this time frame. This indicates that the solution is able to penetrate the hair and initiate the desired chemical reaction within the first 5 to 10 minutes.

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  • 48. 

    Complete saturation of the hair is essential to proper processing in all permanent waves, but especially in:

    • A.

      Thick hair

    • B.

      Porous hair

    • C.

      Fine hair

    • D.

      Resistant hair

    Correct Answer
    D. Resistant hair
    Explanation
    In permanent waving, complete saturation of the hair is crucial for proper processing. Resistant hair, which is typically more difficult to process due to its strong and compact cuticle layer, requires thorough saturation to ensure that the waving solution penetrates the hair shaft effectively. Without complete saturation, the waving solution may not be able to break down the disulfide bonds in the hair, resulting in a less effective or inconsistent curl pattern. Therefore, it is especially important to achieve complete saturation in resistant hair to achieve desired results.

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  • 49. 

    A properly processed permanent wave should break and rebuild about ____ percent of the hair's disulfide bonds.

    • A.

      50

    • B.

      90

    • C.

      75

    • D.

      25

    Correct Answer
    A. 50
    Explanation
    A properly processed permanent wave should break and rebuild about 50 percent of the hair's disulfide bonds. This is because the process of perming involves breaking the disulfide bonds in the hair, reshaping it, and then reforming the bonds to create the desired curl or wave. Breaking and rebuilding around 50 percent of the disulfide bonds ensures that the hair retains its strength and elasticity while still achieving the desired style.

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  • 50. 

    If the hair is underprocessed:

    • A.

      Too many disulfide bonds are broken

    • B.

      The hair is overly softened

    • C.

      The hair is curlier at the scalp

    • D.

      Too few disulfide bonds are broken

    Correct Answer
    D. Too few disulfide bonds are broken
    Explanation
    If the hair is underprocessed, it means that too few disulfide bonds are broken. Disulfide bonds are responsible for the shape and structure of the hair. When these bonds are broken, it allows the hair to be reshaped or styled. If too few bonds are broken, it means that the hair hasn't been processed enough to achieve the desired result. This can result in the hair not being as soft or as curly as intended.

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Quiz Review Timeline +

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

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 15, 2009
    Quiz Created by
    Withlovefromtia
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