New Jersey Cosmetology State Board Study Test
I take my NY state board exam in a week and need a good study guide. All of the information came from my Milady's review book and tests. Its starts off a little jumpy but then start to stay steady.
Questions and Answers
- 1.
Theoxidizer that is added to hydrogen peroxide to increase its chemical action is known as the _____.
- A.
Generator
- B.
Penetrator
- C.
Activator
- D.
Accelerator
Correct Answer
C. ActivatorExplanation
Hydrogen peroxide is a powerful oxidizing agent, but its chemical action can be enhanced by adding an activator. An activator is a substance that increases the rate of a chemical reaction without being consumed in the process. In the case of hydrogen peroxide, an activator is added to increase its ability to break down into water and oxygen. This reaction is commonly used in various applications, such as hair bleaching or as a cleaning agent. Therefore, the correct answer is "activator."Rate this question:
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- 2.
The five main elements that make up the chemical compostion of human hair are carbon, oxygen, hydrogen, and:
- A.
Protein and amino
- B.
Cells and keratin
- C.
Elements and protein
- D.
Nitrogen and sulfur
Correct Answer
D. Nitrogen and sulfurExplanation
Human hair is primarily composed of protein, specifically a protein called keratin. Keratin is made up of various amino acids, which contain nitrogen and sulfur. These elements play a crucial role in the structure and strength of the hair. Nitrogen is necessary for the formation of amino acids, which are the building blocks of proteins, while sulfur helps to form disulfide bonds that contribute to the hair's strength and resilience. Therefore, nitrogen and sulfur are essential elements in the chemical composition of human hair.Rate this question:
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- 3.
The natural hair pigment found in the cortex layer of the hair is :
- A.
Melanin
- B.
Tissue
- C.
Protein
- D.
Brown
Correct Answer
A. MelaninExplanation
Melanin is the natural hair pigment found in the cortex layer of the hair. It is responsible for the color of our hair, skin, and eyes. Melanin is produced by specialized cells called melanocytes, which are located in the hair follicles. The amount and type of melanin determine the color of our hair, with higher levels of melanin resulting in darker hair and lower levels resulting in lighter hair. Melanin also provides protection against harmful UV radiation from the sun.Rate this question:
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- 4.
According to the Environmental Protaction Agency (EPA), it is against federal law to use any disinfecting product contrary to its labeling. This means that you must follow the instructions for ___________.
- A.
Mixing
- B.
Contact time
- C.
The type of surface the disinfecting product can be used on
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
According to the EPA, it is against federal law to use any disinfecting product contrary to its labeling. This implies that you must follow the instructions for mixing the product, the specified contact time, and the type of surface the disinfecting product can be used on.Rate this question:
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- 5.
The division of a bacterial cell into two cells is called:
- A.
Spore growth
- B.
Decomposing
- C.
Mitosis
- D.
Fertilizing
Correct Answer
C. MitosisExplanation
Mitosis is the correct answer because it is the process by which a bacterial cell divides into two identical daughter cells. During mitosis, the genetic material of the bacterial cell is replicated and then evenly distributed between the two daughter cells. This process allows for growth and reproduction of bacterial populations. Spore growth, decomposing, and fertilizing are not accurate terms to describe the division of a bacterial cell into two cells.Rate this question:
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- 6.
Sodium hypochlorite is also known as:
- A.
Bathroom cleanser
- B.
Lysol
- C.
Household bleach
- D.
Phenolic disinfectant
Correct Answer
C. Household bleachExplanation
Sodium hypochlorite is commonly known as household bleach. It is a chemical compound that is used as a disinfectant and cleaning agent in households. It is effective in killing bacteria, viruses, and other microorganisms, making it a popular choice for cleaning and sanitizing surfaces. Sodium hypochlorite is also used in water treatment and as a bleaching agent in the textile and paper industries. Its strong oxidizing properties make it an effective and versatile household product.Rate this question:
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- 7.
Waving lotion makes hair _____ and keeps it in place during the finger-waving procedure.
- A.
Pliable
- B.
Firm
- C.
Rigid
- D.
Elastic
Correct Answer
A. PliableExplanation
The correct answer is pliable. Waving lotion is used to make hair pliable, which means it becomes flexible and easy to shape. It helps to keep the hair in place during the finger-waving procedure, allowing for the desired style to be created and maintained.Rate this question:
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- 8.
Kanekalon is considered to be a:
- A.
Expensive fiber
- B.
Synthetic fiber
- C.
Blended polyester
- D.
Flammable polyester
Correct Answer
B. Synthetic fiberExplanation
Kanekalon is considered to be a synthetic fiber because it is a type of hair fiber that is made from a synthetic material. Synthetic fibers are man-made and often designed to mimic the look and feel of natural hair. Kanekalon is commonly used in wigs, hair extensions, and braids because it is durable, lightweight, and has a natural-looking appearance. Unlike natural hair, synthetic fibers are not derived from animal or plant sources, making them a more affordable and versatile option for hair products.Rate this question:
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- 9.
Cutting the hair straight across the strand where lengths of hair all come to one hanging level, forming a weight line, is known as:
- A.
Beveling
- B.
Blunt cutting
- C.
Graduating
- D.
Layering
Correct Answer
B. Blunt cuttingExplanation
Blunt cutting is the technique of cutting the hair straight across the strand, creating a weight line where all the lengths of hair hang at the same level. This technique is commonly used to create a clean and even look, without any layers or graduation. It is often used for creating a classic bob or a blunt fringe.Rate this question:
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- 10.
Cutting withthe points of your shears to create texture inthe hair ends is known as:
- A.
Layering
- B.
Blunt cutting
- C.
Undercutting
- D.
Notching or pointing
Correct Answer
D. Notching or pointingExplanation
Notching or pointing is the correct answer because it refers to the technique of cutting the hair ends with the points of the shears to create texture. This technique involves making small, intentional cuts in the hair to add dimension and movement, resulting in a textured look. Layering, blunt cutting, and undercutting are different cutting techniques that do not specifically involve using the points of the shears to create texture in the hair ends.Rate this question:
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- 11.
How tightly the hair is pulled when cutting is reffered to as:
- A.
Stretching
- B.
Pulling
- C.
Tension
- D.
Texture
Correct Answer
C. TensionExplanation
Tension refers to how tightly the hair is pulled when cutting. This is an important factor to consider as it can affect the overall outcome of the haircut. The amount of tension applied can determine the precision and shape of the cut, as well as the amount of weight and volume left in the hair. By understanding and controlling the tension, hairstylists can achieve the desired results and create different styles and textures.Rate this question:
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- 12.
Section of hair that determains the length the hair will be cut is called:
- A.
Parting
- B.
Guide
- C.
Subsection
- D.
Section
Correct Answer
B. GuideExplanation
A guide is a section of hair that determines the length the hair will be cut. It acts as a reference point for the hairdresser or barber to ensure that the desired length is achieved throughout the haircut. The guide is usually created by taking a small section of hair at the desired length and using it as a reference to cut the rest of the hair to the same length.Rate this question:
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- 13.
Colors with a predominance of red are considered to be _____ tones.
- A.
Warm
- B.
Cool
- C.
Neutral
- D.
Primary
Correct Answer
A. WarmExplanation
Colors with a predominance of red are considered to be warm tones because red is a warm color. Warm colors are associated with feelings of warmth, energy, and excitement. Red, along with colors like orange and yellow, are often used to create a cozy and inviting atmosphere. In contrast, cool colors like blue and green are associated with feelings of calmness and tranquility. Neutral colors, on the other hand, are considered to be neither warm nor cool, as they do not have a strong presence of any particular color temperature. Primary colors refer to the basic colors from which all other colors are created and are not directly related to warm or cool tones.Rate this question:
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- 14.
The cuticle ofthe hair protexts the interior and contributes ___% to the overall strength of the hair.
- A.
20
- B.
10
- C.
80
- D.
60
Correct Answer
A. 20Explanation
The cuticle of the hair is the outermost layer that acts as a protective barrier for the interior of the hair. It helps to prevent damage and moisture loss. While it does contribute to the overall strength of the hair, it only contributes 20% to the overall strength.Rate this question:
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- 15.
Hair texture is determind by the _______ of the individule hair strand.
- A.
Length
- B.
Strength
- C.
Diameter
- D.
Color
Correct Answer
C. DiameterExplanation
Hair texture is determined by the diameter of the individual hair strand. The diameter refers to the thickness or width of the hair strand. Hair strands with a larger diameter tend to have a coarser or thicker texture, while those with a smaller diameter have a finer or thinner texture. The diameter of the hair strand affects how the hair feels, looks, and behaves, such as being more prone to frizz or being easier to style. Therefore, the diameter of the hair strand plays a significant role in determining hair texture.Rate this question:
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- 16.
The number of hairs per square inch on the head relates to the hair's _______.
- A.
Density
- B.
Texture
- C.
Elasticity
- D.
Porosity
Correct Answer
A. DensityExplanation
The number of hairs per square inch on the head relates to the hair's density. Density refers to the concentration or amount of hair in a given area. A higher density means there are more hairs packed closely together, while a lower density means there are fewer hairs in the same area.Rate this question:
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- 17.
The melanin that gives black and brown color to hair is known as __________.
- A.
Pheomelanin
- B.
Eumelanin
- C.
Neomelanin
- D.
Euromelanin
Correct Answer
B. EumelaninExplanation
Eumelanin is the correct answer because it is the pigment responsible for giving black and brown color to hair. Pheomelanin, on the other hand, is responsible for red and yellow colors. Neomelanin and euromelanin are not terms commonly used to describe hair pigmentation.Rate this question:
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- 18.
A waek type of physical side bond that is easily broken by water or heat is a(n):
- A.
Amino acid
- B.
Peptide chain
- C.
Single bond
- D.
Hydrogen bond
Correct Answer
D. Hydrogen bondExplanation
A hydrogen bond is a weak type of physical side bond that can be easily broken by water or heat. Hydrogen bonds occur when a hydrogen atom is attracted to an electronegative atom, such as oxygen or nitrogen. These bonds are important in many biological processes, such as the folding of proteins and the structure of DNA. Water molecules also form hydrogen bonds with each other, which gives water its unique properties, such as high boiling point and surface tension.Rate this question:
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- 19.
The study of how a workplace can best be designed for comfort, saftey, efficiancy, and productivity is:
- A.
Ergonomics
- B.
Economy
- C.
Fatigue
- D.
Expoure
Correct Answer
A. ErgonomicsExplanation
Ergonomics is the study of designing a workplace that promotes comfort, safety, efficiency, and productivity. It focuses on creating an environment that is tailored to the needs of the workers, taking into consideration factors such as the arrangement of furniture, equipment, lighting, and the overall layout of the workspace. By optimizing the design, ergonomics aims to reduce physical strain, prevent injuries, and enhance overall well-being, thus improving productivity and job satisfaction.Rate this question:
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- 20.
Musciloskeletal disorders is a term use to describe:
- A.
Work-related repetitive injuries
- B.
Body-reducing fatigue
- C.
Extended periods of time
- D.
Varicose veins
Correct Answer
A. Work-related repetitive injuriesExplanation
The term musculoskeletal disorders refers to injuries or conditions that affect the muscles, bones, tendons, ligaments, and other structures of the body. Work-related repetitive injuries are a specific type of musculoskeletal disorder that occur due to repetitive motions or activities performed in the workplace. These injuries can be caused by tasks such as typing, lifting heavy objects, or using vibrating tools. They often result in pain, stiffness, inflammation, and reduced range of motion in the affected area. Therefore, work-related repetitive injuries are a fitting explanation for the term musculoskeletal disorders.Rate this question:
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- 21.
The document that outlines all the duties and responsibilities of a particular position is a :
- A.
Duty list
- B.
Daily chore summary
- C.
Job description
- D.
Job document
Correct Answer
C. Job descriptionExplanation
A job description is a document that outlines all the duties and responsibilities of a particular position. It provides a detailed summary of the tasks, skills, qualifications, and expectations required for the job. This document is essential for both employers and employees as it helps in setting clear expectations and understanding the scope of work. It serves as a guide for recruitment, performance evaluations, and career development.Rate this question:
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- 22.
A main protein found in the natural nail is:
- A.
Water
- B.
Keratin
- C.
Cuticle
- D.
Melanin
Correct Answer
B. KeratinExplanation
Keratin is the main protein found in the natural nail. Keratin is a tough, fibrous protein that makes up the structure of the nail, providing strength and durability. It is also found in other parts of the body, such as hair and skin. Water, cuticle, and melanin are not proteins and do not make up the main component of the natural nail.Rate this question:
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- 23.
The portion of the living skin on which the nail plate sits is the
- A.
Nail bed
- B.
Cuticle
- C.
Nail fold
- D.
Ligament
Correct Answer
A. Nail bedExplanation
The living skin on which the nail plate sits is called the nail bed. The nail bed is located underneath the nail plate and provides nourishment and support to the growing nail. It contains blood vessels and nerves that supply nutrients and sensation to the nail. The nail bed also plays a role in nail growth and helps to anchor the nail plate in place. The cuticle refers to the thin layer of skin at the base of the nail, the nail fold is the skin that surrounds the sides of the nail, and the ligament is a connective tissue structure that attaches the nail to the underlying bone.Rate this question:
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- 24.
Nail cells are formed in what part of the nail structure?
- A.
Mantle
- B.
Cuticle
- C.
Muscles
- D.
Matrix
Correct Answer
D. MatrixExplanation
The matrix is the part of the nail structure where nail cells are formed. It is located at the base of the nail, underneath the cuticle. The matrix is responsible for producing the cells that make up the nail plate, which is the hard, visible part of the nail.Rate this question:
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- 25.
The nail plate is guided and helped along during its growth by a thin layer of tissue called :
- A.
Matrix cells
- B.
Bed epithelium
- C.
Nail groove
- D.
Nail enhancement
Correct Answer
B. Bed epitheliumExplanation
The correct answer is "Bed epithelium." The bed epithelium is a thin layer of tissue that helps guide and support the growth of the nail plate. It is located underneath the nail plate and plays a crucial role in the formation and maintenance of healthy nails. The matrix cells are responsible for producing new nail cells, while the nail groove refers to the indentation on the sides of the nail plate. Nail enhancement typically refers to artificial methods of improving the appearance of nails.Rate this question:
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- 26.
The slits or furrows on the sides of the nail on which the nail moves as it grows is the _______.
- A.
Matrix bed
- B.
Nail folds
- C.
Mantle
- D.
Nail grooves
Correct Answer
D. Nail groovesExplanation
The slits or furrows on the sides of the nail where the nail moves as it grows are called nail grooves. These grooves provide a pathway for the nail to grow and move along the nail bed. The nail grooves help to protect and support the nail as it grows, allowing it to maintain its shape and position on the finger or toe.Rate this question:
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- 27.
In the normal adult the average rate of nail growth is about
- A.
1/8 inch per month
- B.
1/4 inch per month
- C.
1 inch per month
- D.
1/10 inch per month
Correct Answer
A. 1/8 inch per monthExplanation
The average rate of nail growth in a normal adult is approximately 1/8 inch per month. This means that on average, the nails will grow about 1/8 inch in length every month.Rate this question:
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- 28.
The liftiing of the nail plate from the bed without shedding is a nail disease called:
- A.
Onycholoysis
- B.
Onychomadesis
- C.
Nail psoriasis
- D.
Ingrown nails
Correct Answer
A. OnycholoysisExplanation
Onycholysis is the correct answer because it refers to the condition where the nail plate separates or lifts from the nail bed without shedding. This can occur due to various reasons such as trauma, fungal infection, psoriasis, or excessive use of nail products. Onychomadesis is the shedding of the entire nail plate, nail psoriasis refers to psoriasis affecting the nails, and ingrown nails refer to nails that grow into the surrounding skin.Rate this question:
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- 29.
The slightly thickened layer of skin that lies underneath the free edge of the nail plate is the :
- A.
Cuticle
- B.
Eponychium
- C.
Nail fold
- D.
Hyponychium
Correct Answer
D. HyponychiumExplanation
The hyponychium is the slightly thickened layer of skin that lies underneath the free edge of the nail plate. It acts as a barrier, sealing the nail bed and protecting it from infection. The cuticle refers to the layer of dead skin cells at the base of the nail plate. The eponychium is the living tissue that covers the base of the nail plate. The nail fold is the skin that surrounds the nail on three sides.Rate this question:
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- 30.
The nail plate is constructed of 20 layers of nail cells.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The nail plate is not constructed of 20 layers of nail cells. Instead, it is composed of several layers of a protein called keratin. The exact number of layers can vary, but typically, the nail plate consists of approximately 100 to 150 layers of keratinized cells. These cells gradually flatten and harden as they move toward the free edge of the nail, forming the visible portion of the nail plate. Therefore, the statement "The nail plate is constructed of 20 layers of nail cells" is false.Rate this question:
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- 31.
The dead colorless tissue attached to the nail plate is the eponychium.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This is false. The correct answer would be ... to the nail plate is the....CUTICLE.Rate this question:
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- 32.
The part of the nail plate that extends over the tip of the finger or toe is the free edge.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The free edge of the nail plate refers to the portion of the nail that extends beyond the fingertip or toe. It is the part that can be seen and trimmed. This is true for both fingers and toes.Rate this question:
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- 33.
The area under a healthy nail plate should appear whitish.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
It should appear PINKISHRate this question:
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- 34.
The technical name for a nail is:
- A.
Onychauxis
- B.
Onyx
- C.
Onychosis
- D.
Onychia
Correct Answer
B. OnyxExplanation
The technical name for a nail is "onyx". This term refers to the hard, translucent substance that forms the outer layer of the nail. It is derived from the Greek word "onyx" which means "claw" or "nail". This term is commonly used in medical and anatomical contexts to describe the structure of the nail.Rate this question:
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- 35.
The nail should have between ____%and____% water content.
- A.
50% and 75%
- B.
5% and 10%
- C.
30% and 50%
- D.
10% and 30%
Correct Answer
D. 10% and 30%Explanation
The correct answer is 10% and 30%. Nails should have a water content between 10% and 30% to maintain their strength and prevent them from becoming too brittle or too soft. If the water content is too low, the nails may become dry and prone to cracking. On the other hand, if the water content is too high, the nails may become weak and susceptible to bending or warping. Therefore, maintaining a water content within the range of 10% to 30% is crucial for the optimal performance and durability of nails.Rate this question:
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- 36.
A system for understanding the relationship of color is called _____________.
- A.
The Law of Color
- B.
The Color Wheel
- C.
The Level System
- D.
Primary color syster
Correct Answer
A. The Law of ColorExplanation
A system for understanding the relationship of color is called the law of color. In cosmetology, the "law of color" refers to the fundamental principles governing how colors interact with each other, particularly in the context of hair coloring and makeup application. Understanding the law of color is crucial for cosmetologists, hairstylists, and makeup artists to achieve desired shades, tones, and effects.Rate this question:
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- 37.
Colors with a predominance of blue are considered to be _____ tones.
- A.
Primary
- B.
Warm
- C.
Neutral
- D.
Cool
Correct Answer
D. CoolExplanation
Colors with a predominance of blue are considered to be cool tones because blue is often associated with calmness, tranquility, and a sense of coolness. Cool colors are typically found on the blue side of the color spectrum and include shades of blue, green, and purple. These colors are often used to create a soothing and relaxing atmosphere.Rate this question:
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- 38.
Colors achieved by mixing two primary colors are called ______________ colors.
- A.
Secondary
- B.
Tertiary
- C.
Neutral
- D.
Primary
Correct Answer
A. SecondaryExplanation
Primary, Secondary, TertiaryRate this question:
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- 39.
The cortex (middle layer) of the hair gives strength and elasticity andcontributes about ___% to the overall strength of the hair.
- A.
10
- B.
20
- C.
60
- D.
80
Correct Answer
D. 80Explanation
The cortex is the middle layer of the hair and it is responsible for giving strength and elasticity to the hair. It contributes about 80% to the overall strength of the hair.Rate this question:
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- 40.
The underlyning color that emerges during lightening is known as:
- A.
Contributing pigment
- B.
Pheomelanin
- C.
Eumelanin
- D.
Intensity
Correct Answer
A. Contributing pigmentExplanation
During lightning, the underlying color that emerges is known as the contributing pigment. This term refers to the pigments that are responsible for the coloration of an object or organism. In the context of lightning, the contributing pigment refers to the pigments present in the atmosphere or the materials involved in the lightning process that contribute to the color that is observed. The other options, pheomelanin and eumelanin, are types of pigments found in human hair and skin, while intensity is a measure of the strength or brightness of light.Rate this question:
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- 41.
The term used to describe the warmth or coolness of a color is
- A.
Mixed melanin
- B.
Contributing pigment
- C.
Tone or tonality
- D.
Value or depth
Correct Answer
C. Tone or tonalityExplanation
The term used to describe the warmth or coolness of a color is tone or tonality. Tone refers to the overall color characteristic of a hue, whether it appears warm (reddish, orange, or yellow) or cool (bluish or greenish). Tonality, on the other hand, refers to the arrangement of tones in a composition or artwork. In this context, tone or tonality is the most appropriate term to describe the warmth or coolness of a color.Rate this question:
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- 42.
The strength of a color tone is reffered to as
- A.
Level
- B.
Depth
- C.
Value
- D.
Intensity
Correct Answer
D. IntensityExplanation
The strength of a color tone is referred to as intensity. Intensity describes the brightness or vividness of a color. It determines how strong or weak a color appears. A high intensity color is vibrant and bold, while a low intensity color is more muted and subdued. Intensity plays a significant role in creating visual impact and can evoke different emotions or moods.Rate this question:
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- 43.
The perdominant tonality of an existing color is reffered to as a(n)
- A.
Base color
- B.
Neutral color
- C.
Even color
- D.
Deep color
Correct Answer
A. Base colorExplanation
The correct answer is "base color". The term "perdominant tonality" refers to the main or most prominent color in an existing color. This color is considered as the base color, which forms the foundation or primary hue of the overall color palette.Rate this question:
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- 44.
What product is used to open the cuticle of the hair fiber so that tint can penetrate it ?
- A.
Hair conditioner
- B.
Color filler
- C.
Alkalizing agent
- D.
Medical shampoo
Correct Answer
C. Alkalizing agentExplanation
An alkalizing agent is used to open the cuticle of the hair fiber so that tint can penetrate it. Alkalizing agents have a high pH level, which helps to raise the hair's cuticle and make it more receptive to color. By opening the cuticle, the alkalizing agent allows the tint to penetrate the hair shaft more effectively, resulting in better color absorption and longer-lasting results.Rate this question:
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- 45.
Temporary hair color uses the largest pigment molecules.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The molecules sit on the cuticle layers and do not penetrate the cuticle layer. Allows it it coat that may be removed after shampooingRate this question:
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- 46.
The haircolor that partially penetrates the hair shaft and stains the cuticle layer, slowly fading with each shampoo is known as _____.
- A.
Permanent
- B.
Semipermanent
- C.
Demipermanent
- D.
Temporary
Correct Answer
B. SemipermanentExplanation
Semipermanent hair color partially penetrates the hair shaft and stains the cuticle layer. It slowly fades with each shampoo because it does not fully penetrate the cortex, which is the innermost layer of the hair shaft. This type of hair color typically lasts for a few weeks before completely fading away.Rate this question:
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- 47.
The tint formula in permanent haircolor contains uncolored dye _________, which are small compounds that can diffuse into the hair shaft .
- A.
Successors
- B.
Precursors
- C.
Activators
- D.
Protinators
Correct Answer
B. PrecursorsExplanation
The tint formula in permanent haircolor contains uncolored dye precursors, which are small compounds that can diffuse into the hair shaft. These precursors react with hydrogen peroxide to form larger, colored molecules that become trapped inside the hair, resulting in a permanent color change.Rate this question:
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- 48.
Metalic colors are also called ________ colors.
- A.
Advancing
- B.
Delayed
- C.
Gradual
- D.
Accelerated
Correct Answer
C. GradualExplanation
Metallic colors are often characterized by their shiny and reflective qualities. These colors have a gradual transition from one shade to another, creating a smooth and blended effect. Therefore, it is appropriate to refer to metallic colors as "gradual" colors.Rate this question:
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- 49.
Raising the cuticle of the hair so that the tint can penetrate is the function of the
- A.
Developer
- B.
Tint molecules
- C.
Alkalizing ingredient
- D.
Oxidizing agent
Correct Answer
C. Alkalizing ingredientExplanation
An alkalizing ingredient is responsible for raising the cuticle of the hair so that the tint can penetrate. This ingredient helps to open up the hair shaft, allowing the tint molecules to enter and color the hair effectively. By creating a more alkaline environment, the alkalizing ingredient helps to break down the natural barriers of the hair, making it more receptive to the tint. This process ensures that the tint can fully penetrate the hair shaft and provide long-lasting and vibrant color results.Rate this question:
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- 50.
Permanent haircolors contain uncolored dye precursors known as:
- A.
Color fillers
- B.
Developers
- C.
Toners
- D.
Aniline derivatives
Correct Answer
D. Aniline derivativesExplanation
Permanent haircolors contain uncolored dye precursors known as aniline derivatives. Aniline derivatives are compounds that are used in hair dyes to create the desired color. These derivatives react with the developer (usually hydrogen peroxide) to form colored molecules that penetrate the hair shaft and provide long-lasting color. Color fillers are used to fill in gaps in the hair shaft, developers are used to activate the dye, and toners are used to adjust the tone of the color. However, in permanent haircolors, it is the aniline derivatives that are responsible for the actual color formation.Rate this question:
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