Biochemistry /Cosmetology: Chapter 20: Chemical Texture Services Part 3
Cosmetology: Chapter 20: Chemical Texture Services Part 3
This deck covers key concepts from Chapter 20 on Chemical Texture Services, focusing on terminology, processes, and techniques used in cosmetology.
The middle layer or the hair is the: A. medulla B. cuticle C. cortex D. base
C. cortex
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Key Terms
Term
Definition
The middle layer or the hair is the:
A. medulla B. cuticle C. cortex D. base
C. cortex
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Which of these terms refers to the angle at which the rod is positioned on the head?
A. base placement B. base direction C. base insertion D. base reduction
B. base direction
A _ is a type of wrap that uses one end paper folded in half over the hair ends like an envelope.
A. basic permanent wrap B. curvature permanent wrap C. bricklay permanent wrap D. bookend wrap
D. bookend wrap
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A ____ is a wrapping pattern in which all the rods within a panes move in the same direction and are positioned on equal-sized bases.
A. basic permanent wrap B. croquinole perm wrap C. double-end wrap D. bookend wrap
A. basic permanent wrap
Which of these are commonly known as lye relaxers?
A. metal hydroxide relaxers B. carbonate hydroxide relaxers C. sodium hydroxide relaxers D. iron hydroxide relaxers
C. sodium hydroxide relaxers
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Which rods are equal in diameter along their entire length or curling area?
A. straight rods B. loop rods C. concave rods D. convex rods
A. straight rods
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| Term | Definition |
|---|---|
The middle layer or the hair is the:
A. medulla B. cuticle C. cortex D. base | C. cortex |
Which of these terms refers to the angle at which the rod is positioned on the head?
A. base placement B. base direction C. base insertion D. base reduction | B. base direction |
A _ is a type of wrap that uses one end paper folded in half over the hair ends like an envelope.
A. basic permanent wrap B. curvature permanent wrap C. bricklay permanent wrap D. bookend wrap | D. bookend wrap |
A ____ is a wrapping pattern in which all the rods within a panes move in the same direction and are positioned on equal-sized bases.
A. basic permanent wrap B. croquinole perm wrap C. double-end wrap D. bookend wrap | A. basic permanent wrap |
Which of these are commonly known as lye relaxers?
A. metal hydroxide relaxers B. carbonate hydroxide relaxers C. sodium hydroxide relaxers D. iron hydroxide relaxers | C. sodium hydroxide relaxers |
Which rods are equal in diameter along their entire length or curling area?
A. straight rods B. loop rods C. concave rods D. convex rods | A. straight rods |
Which of these terms refers to the thickness or thinness of a liquid
A. duration B. viscosity C. intensity D. amperage | B. viscosity |
The _ is the tough exterior layer of the hair.
A. cuticle B. medulla C. base D. cortex | A. cuticle |
Which of these terms refers to the position of the rod in relation to its base section?
A. base altitude B. half of-base placement C. base direction D. base placement | D. base placement |
A ____ is a type of wrap in which the hair is wrapped on one rod from the scalp to midway down the hair shaft.
A. spiral perm wrap B. double flat wrap C. piggyback wrap D. bricklay wrap | C. piggyback wrap |
Which of these stops the action of the waving solution and rebuilds the hair into its new curly form?
A. lanthionization B. thio neutralization C. hydroxide neutralization D. peptide neutralization | B. thio neutralization |
Long chains of amino acids joined together by peptide bonds are known as:
A. neutralization B. monopeptide chains C. amino chains D. polypeptide chains | D. polypeptide chains |
The process by which hydroxide relaxers permanently straighten hair is called:
A. lanthionization B. permanent waving C. normalization D. sidulfide bonding | A. lanthionization |
Hydrogen bonds can be broken by:
A. only water B. only heat C. either water or heat D. neither water or heat | C. either water or heat |
The reducing agent used in permanent waving solutions is commonly referred to as:
A. hydroxide B. thio C. sulfate D. disulfide | B. thio |
Manufacturers add an alkalizing agent to waving solutions because the acid in them:
A. swells the hair B. penetrates into the cortex C. both swells the hair and penetrates into the cortex D. neither swells the hair and penetrates into the cortex | D. neither swells the hair and penetrates into the cortex |
A pH of 7.0 is __ than the pH of hair.
A. 10 times more alkaline B. 100 times more alkaline C. 10 times more acidic D. 100 times more acidic | B. 100 times more alkaline |
Most of the acid waves found in today's salons have a pH between:
A. 7.8-8.2 B. 9.5-10.5 C. 3.8-4.2 D. 4.5-5.5 | A. 7.8-8.2 |
Which of these is NOT one of the three main components of an exothermic wave?
A. permanent waving solution B. neutralizer C. activator D. concentrator | D. concentrator |
A(n) _ uses an endothermic process.
A. alkaline wave B. thio-free wave C. low-pH D. acid-balanced wave | C. low-pH |
Which type of perm is recommended for very damaged hair?
A. true acid wave B. exothermic wave C. ammonia-free wave D. alkaline wave | A. true acid wave |
What is the most common neutralizer?
A. ammonia B. hydrogen peroxide C. sodium chloride D. distilled water | B. hydrogen peroxide |
When rinsing the hair for a permanent wave, it is recommended that you:
A. never rinse longer than 20 seconds B. make sure the hair is still moderately moist before neutralizing C. always smell the hair after the recommended time has elapsed D. aggressively blot the hair | C. always smell the hair after the recommended time has elapsed |
Japanese thermal straightening:
A. is a recommended service for extremely curly hair B. usually takes about 30 minutes C. is appropriate for all color-treated hair D. is sometimes called thermal reconditioning | D. is sometimes called thermal reconditioning |
Mild-strength relaxers are formulated for:
A. normal hair texture with a medium natural curl B. fine, color-treated, or damaged hair C. very coarse, extremely curly hair D. resistant hair | B. fine, color-treated, or damaged hair |