FREE AND STUDY GAMES ABOUT COSMO CH. 18 EXAM

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FREE AND STUDY GAMES ABOUT COSMO CH. 18 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -18 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The angle at which a permanent wave rod is positioned on the head is referred

to as:

Answer:

base direction Question 2: In the croquinole method of wrapping, the hair is wound from:

Answer:

ends to scalp Question 3: The two methods of wrapping the hair around a perm rod are:

Answer:

croquignole and spiral Question 4: More than any other single factor, what determines the ability of the hair to hold curl?

Answer:

elasticity

Question 5: The main active ingredient or reducing agent in alkaline permanent waves is:

Answer:

ammoium thioglycolate Question 6: Exothermic waves create a chemical reaction that heats the solution and speeds up:

Answer:

processing Question 7: Chemical services performed on overly porous hair require solutions that are:

Answer:

low pH Question 8: Most alkaline permanent waves have a pH between:

Answer:

9.0 and 9.6 Question 9: Rods that produce a tighter curl in the center and looser curl on either side of the

strand are:

Answer:

concave rods Question 10: In permanent waving, the reduction reaction is due to the addition of:

Answer:

hydrogen Question 11: Once in the cortex, the waving solution breaks the disulfide bonds through a

chemcal reaction called:

Answer:

reduction Question 12: Caution should be used with on-base rod placement to avoid additional:

Answer:

stress and tension on the hair

Question 13: The most common reducing agents used are:

Answer:

thioglycolic acids Question 14: The wrapping technique that provides the most control over hair ends and keeps

them evenly distributed over the entire length of the rods is a:

Answer:

double flat wrap Question 15: All perm wraps begin by sectioning the hair into:

Answer:

panels Question 16: In permanent waving , panels of hair are divided into smaller subsections called:

Answer:

base sections Question 17: The wrap that is used on endpaper folded in half over the hair ends like an

envelope is a(n):

Answer:

bookend wrap Question 18: In permanent waving, the shape and type of curl are determined by the shape and

type of rod and the:

Answer:

wrapping method