Permanent Wave TechniquesVersión en línea Choose the correct answer. por Rosalind Carter 1 Breaking the side bonds of the _____ makes it possible to change the natural wave pattern of the hair. a cortex b cuticle c medulla d follicle 2 A(n) _____ is a relatively weak physical side bond that is the result of an attraction between negative and positive electrical charges. a salt bond b side bond c disulfide bond d peptide bond 3 The reduction reaction in permanent waving is due to the addition of _____. a oxygen b ammonia c sulfur d hydrogen 4 In permanent waving, _____ stops the action of the waving solution and rebuilds the hair into its new curly form. a thio neutralization b ammonium thioglycolate c thioglycolic acid d hydroxide neutralization 5 The most common type of perm rods are _____ rods. a loop b convex c concave d straight 6 The _____ wrap is a perm wrap in which one end paper is placed under and another is placed over the strand of hair being wrapped. a double flat b single flat c bookend d spiral perm 7 When you use _____ placement, you wrap the hair at 45 degrees below the center of the base section. a on-base b half off-bass c center off-base d off-base 8 In a(n) _____ perm wrap, the hair is wrapped at an angle other than perpendicular to the length of the rod. a croquignole b bricklay c double-rod d spiral
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